Hjelp og støtte for sommertid

Hjelp og støtte til hvordan du oppdaterer Windows-datamaskinen til sommertid.

Begynn her

Kunngjøring: Russland kansellerer sommertid 30. oktober 2011

I 2011 vedtok russiske myndigheter en lov som kansellerer sommertid. Det innebærer at Russland ikke vil gå tilbake til vintertid.

Hvis du vil vite mer om hva du bør gjøre for å forberede deg på denne endringen, bør du lese dette innlegget på Microsofts bedriftsblogg (Engelsk innhold). Du kan også vise den følgende webcasten for å høre medlemmer av Microsofts produktteam diskutere endringen, hvilke virkninger den har, og hva Microsoft gjør for å hjelpe kundene og partnerne våre med en problemfri overgang. Klikk her hvis du vil ha mer informasjon (Engelsk innhold).

Hva er sommertid?

Sommertid er praksisen med å flytte lokal tid fremover én time om våren og tilbake om høsten. Disse vår- og høstendringene i sommertid er ikke de samme på den nordlige og den sørlige halvkule. På den nordlige halvkule begynner sommertid vanligvis i mars eller april (avhengig av land/kontinent), mens den slutter i oktober eller november. På den sørlige halvkule er endringene helt motsatt. Der begynner sommertid i oktober og slutter i mars eller april.

Hva betyr det for meg?

Det er viktig at tidssoneinnstillingene for datamaskinens systemklokke og kalenderprogrammer er oppdatert. Det viktigste du kan gjøre for hjemmedatamaskiner, er å kontrollere at du bruker Windows Update. Hvis du velger å oppdatere operativsystemet automatisk via Windows Update, får du en problemfri overgang til de nye sommertid- og tidssoneinnstillingene. En veiledning til hvordan du oppdaterer datamaskiner og installerte Microsoft-produkter, er tilgjengelig her.

Aktuelle emner og siste nytt om sommertid

Informasjonen nedenfor er bare tilgjengelig på engelsk

Subscribe to the Microsoft Daylight Savings Time & Time Zone Blog to receive the latest updates on DST changes

Notice: August 2014 DST Cumulative Update for Windows Operating Systems is available
12-Aug-14

Notice: Updates are available for Egypt DST Ramadan Exception in 2014
24-July-14

Notice: Updates are available for Morocco DST Ramadan Exception in 2014
24-July-14

Notice: Updates available for Paraguay, Turkey and Chile time zones
17-Mar-14

Notice: Update available for Brazil, Fiji and Jordan time zones
25-Feb-14

Notice: December 2013 DST Cumulative Update for Windows Operating Systems
9-Dec-13

Notice: August 2013 DST Cumulative Update for Windows operating systems released
13-Aug-13

Notice: Paraguay Shortens 2012-2013 DST
20-Mar-13

Notice: Hotfix available for Chile 2013 DST Extension
7-Mar-13

Notice: December 2012 DST Cumulative Update is available for Windows operating systems
11-Dec-12

Notice: October 2012 DST Cumulative Update is available for Windows operating systems
11-Oct-12

Notice: 2012 Ramadan DST change for Morocco
5-July-12

Notice: 2012 DST Changes for Morocco
24-April-12

Notice: Armenia Cancels DST
23-Mar-12

Notice: Hotfix available for Chile DST change
8-Mar-12

Notice: December 2011 DST Cumulative Update is available for Windows operating systems
29-Nov-11

Notice: Ukraine and Armenia revert 2011 DST cancellation
19-Oct-11

Notice: DST Guidance for Office 365 customers made available
14-Oct-11

Advisory Notice: DST Cancellation planned for Armenia, Belarus and Ukraine
6-Oct-11

Notice: Daylight Savings Time updates for Exchange Server 2007 SP3 Available in Update Rollup 5
27-Sep-11

Announcement: Microsoft webcast on daylight saving time changes in Russia available on demand
20-Sep-11

Notice: Daylight Savings Time updates for Commerce Server 2009 and 2007 Available
19-Sep-11

Notice: Daylight Savings Time updates for SharePoint 2010 and SharePoint 2007 Available
14-Sep-11

Notice: August 2011 DST Cumulative Update is available for Windows operating systems
16-Aug-11

Notice: A hotfix is available to update Windows DST support for Egypt, Chile and Morocco
3-May-11

Notice : DST schedule updated again for Chile
31-Mar-11

Notice: a hotfix is available to update Windows DST support for (UTC +2:00) Istanbul
25-Mar-11

Notice: a hotfix is available to update Windows DST support for (UTC -4:00) Santiago
25-Mar-11

Notice : A hotfix is available to update Windows DST support for (UTC +12:00) Fiji, and (UTC -11:00) Samoa
25-Mar-11

December 2010 DST Cumulative Update for Windows operating systems
2-Dec-10

Hvordan oppdaterer jeg datamaskinen min?

Hjemmedatamaskiner

Det viktigste du kan gjøre, er å kontrollere at du bruker Windows Update. Hvis du velger å oppdatere operativsystemet automatisk via Windows Update, får du en problemfri overgang til de nye innstillingene for sommertid.

I enkelte tilfeller kan det også hende at kalenderbaserte programmer må oppdateres. Veiledning til og detaljer for hvordan du oppdaterer Microsoft-kalenderprodukter, er tilgjengelig her.

Hvis du ønsker veiledning til hvordan du oppdaterer produkter fra andre programvareleverandører enn Microsoft, bør du se på webområdet til den aktuelle leverandøren.

Datamaskiner på arbeidsplassen

Hvis arbeidsplassen har IT-avdeling, bør du ta kontakt med IT-administratoren.

Følg veiledningen for hjemmedatamaskiner.

IT-teknikere

Oppdater alle Windows-operativsystemer på Windows-servere. De nyeste oppdateringene er oppført på Microsofts blogg for sommertid og kundestøtte (Engelsk innhold) eller KB 914387 Konfigurere sommertid for Microsoft Windows-operativsystemer (Engelsk innhold).

Oppdater alle Windows-operativsystemer på enkeltstående arbeidsstasjoner. De nyeste oppdateringene er oppført på Microsofts blogg for sommertid og kundestøtte (Engelsk innhold) eller KB 914387 Konfigurere sommertid for Microsoft Windows-operativsystemer (Engelsk innhold).

Oppdater kalenderavtaler i Exchange og Outlook som berøres av oppdateringen. Dette kan gjøres på flere måter, avhengig av behovene dine. Du finner en veiledning til hvordan du velger den riktige metoden, her.

Tilgjengelige oppdateringer for andre Microsoft-produkter som påvirkes av sommertid- og tidssoneendringer, er oppført på siden for tilgjengelige sommertid- og tidssoneoppdateringer for Microsoft-produkter.

Små og mellomstore bedrifter

Hvis du har en konsulent som administrerer systemene dine, bør du ta kontakt med vedkommende for å diskutere de nødvendige oppdateringene for datamaskinene, programmene og nettverket.

Hvis du administrerer ditt eget system, kan du se veiledningen for IT-teknikere.

Partnere

Hvis du er en partner som oppdaterer dine egne systemer eller hjelper kunder med å oppdatere deres systemer, kan du se veiledningen for IT-teknikere. Ytterligere kundestøtte for Microsoft-partnere er tilgjengelig her:

Problemløsing (Engelsk innhold)

Områdespesifikke servicesentre (Engelsk innhold)

Partnerressursområde (tilgjengelig for partnere i USA) (Engelsk innhold)

Microsofts webside for kundestøttetjenester (Engelsk innhold)

Utviklere

Hvis du vil oppdatere koden for sommertid, kan du gå til MSDN: Visual Studio and Daylight Saving Time Change (Engelsk innhold) for å finne riktig informasjon.

Oppdatere Exchange- og Outlook-kalendere

Anbefalt handlingsrekkefølge for oppdatering av sommertid for Windows, Exchange og Outlook

Kalendermiljøer har et sammenkoblet system av programmer, og hvert miljø må tilpasses til de nye reglene for sommertid. Vær oppmerksom på at KB-artikler kan være erstattet. Se nøye gjennom dokumentasjonen før du installerer eventuelle oppdateringer.

Det finnes mange støttede kombinasjoner av Exchange-servere og Outlook-klienter. Tilnærmingen som kundene bør følge for å oppdatere kalendermiljøet, avhenger av disse kombinasjonene. I tabellen nedenfor vises de omfattende kravene for å beregne og planlegge avtaledatoer på nytt i Exchange-/Outlook-kalendere for hver av disse kombinasjonene. Kundene bør lese all veiledningen på denne siden for å forstå den riktige handlingsrekkefølgen de bør følge, inkludert oppdateringene som bør installeres før nyberegning og -planlegging av avtaledatoer i kalenderne.

 Outlook-klientversjoner
KundemiljøOutlook 2003Outlook 2007Outlook 2010
Exchange 2003 i lokaleneExchange-kalenderverktøy (Engelsk innhold)
eller
Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)
Exchange-kalenderverktøy (Engelsk innhold)
eller
Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)
Ingen handling nødvendig
Exchange 2007 i lokaleneExchange-kalenderverktøy (Engelsk innhold)
eller
Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)
Exchange-kalenderverktøy (Engelsk innhold)
eller
Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)
Ingen handling nødvendig
Exchange 2010 i lokaleneOppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Ingen handling nødvendig
BPOS-S
(Exchange 2007)
Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Ingen handling nødvendig
BPOS-S
(Exchange 2010)
Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Oppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Ingen handling nødvendig
O365
(Exchange 2010)
Støttes ikkeOppdateringsverktøy for tidssonedata for Microsoft Office Outlook (Engelsk innhold)Ingen handling nødvendig

Informasjonen nedenfor er bare tilgjengelig på engelsk

  1. Apply updates to Windows operating systems on individual computers.
  2. Run the Outlook Time Zone Data Update Tool. It is important to run the tool as soon as possible after you apply the updates to help ensure consistent application of DST rules.
  1. Apply updates to Windows operating systems on individual workstations.
  2. Apply updates to Windows operating systems on Windows Servers.
  3. Apply the Exchange 2003 or Exchange 2007 DST Update (See the Available DST and TZ Updates for Microsoft Products and Services page for details)
  4. Run the Exchange Calendar Update Tool against all Exchange Servers, or correct all individual Outlook calendars using the Outlook Time Zone Data Update Tool.
  5. The IT administrator has one of four alternatives with regardsto running the calendar update tools for Exchange and Outlook (pros and cons of each alternative are described later in this article):
    • Push out the Outlook Time Zone Data Update Tool to the clients and let the users update their own mailboxes.
    • Run the Exchange Calendar Update Tool against all affected users, servers, or both.
    • Do not run the Exchange Calendar Update Tool or the Outlook Time Zone Data Update Tool. Ask users to examine their calendars and rebook as necessary.
    • Run the Exchange Calendar Update tool against all affected users, servers, or both, but only modify recurring appointments. Then ask users to rebook single instance appointments that fall into the extended DST period or ask them to run the Outlook Time Zone Data Update Tool.
  6. IT administrators should fully understand and analyze the implications of the four alternatives for deploying the Outlook or the Exchange version of the tool. The respective pros and cons of each scenario are described in the Implications of the 4 different approaches to updating Calendars section below. For more information, please refer to Microsoft Knowledge Base articles 931667 and 941018.

The following items should be noted to help ensure maximum accuracy of calendar updates:

  1. Rapid succession of steps is important
    As mentioned earlier, it is better to run the Outlook or Exchange Time Zone Date Update Tool as soon as possible after the time that the Windows operating system time zone updates and Exchange Server updates are applied to all computers and servers. If calendar items in the extended DST period are scheduled after the operating system updates are applied but before the tool is run, they will incorrectly be moved one hour earlier. To correct such calendar items, organizers should manually update such items to help make sure that they are scheduled accurately for themselves and all invitees.
  2. All connected devices must be updated
    Even if you correctly update your computer, when you view your calendar from a non-updated mobile device running Windows Mobile, your calendar items during the extended DST period will be shifted by one hour. Items created on a Windows Mobile device that does not have the update applied must be updated on your computer by running the Outlook Time Zone Data Update Tool again.
  3. If other users have not updated their calendars, it will affect other users
    The Outlook Time Zone Data Update Tool only updates meetings for which the user is the organizer and then automatically sends updates for those meetings to attendees. So, meetings that you are invited to but did not organize will not be updated until the organizer updates the meeting and an update is sent to you through Outlook. You must accept these updates in Outlook to correct your calendar on these meetings. Additionally, meetings created by a delegate on your behalf from a computer that does not have the update installed must be updated on your computer by running the Outlook Time Zone Data Update Tool again.
  4. Users have the option to accept the change
    The tool will prompt meeting invitees about whether to change meeting times. The invitees must accept the updated meeting requests for the changes to be accurately reflected in their calendars. If the tool incorrectly prompts a user to move a meeting, the user has the option of un-selecting those meetings from the list and they will not be moved.
  5. Special considerations for recurring calendar items
    Recurring calendar items created by Outlook Web Access will not be updated correctly if the Exchange Server computer is updated before the desktop client that is running the update tool (applies to both Outlook and Exchange tools). Users who create recurring calendar items must be aware of this and carefully review their calendar after the update is complete, regardless of which sequence of steps were followed in their Exchange environment.
  6. Update resource mailbox calendars
    Follow the procedures listed here to correctly update calendars in resource mailboxes.

The IT administrator has one of four alternatives (pros and cons of each alternative are described later in this article):

  • Push out the Outlook Time Zone Data Update Tool to the clients and let the users update their own mailboxes.
  • Run the Exchange Calendar Update tool against all affected users, servers, or both.
  • Do not run the Exchange Calendar Update Tool or the Outlook Time Zone Data Update Tool. Ask users to examine their calendars and rebook as necessary.
  • Run the Exchange Calendar Update tool against all affected users, servers, or both, but only modify recurring appointments. Then ask users to rebook single instance appointments that fall into the extended DST period or ask them to run the Outlook Time Zone Data Update Tool.
  • IT administrators should fully understand and analyze the implications of the four alternatives for deploying the Outlook or the Exchange version of the tool. The respective pros and cons of each scenario are described below. For more information, please refer to Microsoft Knowledge Base articles 931667 and 941018.
  1. Run the Exchange Time Zone Date Update Tool against all Exchange Servers.
    • Pros: Streamlined experience for users.
    • Cons: Potential risks to IT environment of running Exchange Time Zone Update Tool. More likely to incorrectly modify single-instance appointments.
  2. Push out the Outlook Time Zone Data Update Tool to the clients and let the users update their own mailboxes.

    • Pros: Less likely to incorrectly modify single-instance appointments. Avoid potential risks to IT environment of running the Exchange Time Zone Update Tool.
    • Cons: Difficult to make sure that all users run this tool correctly and in a timely manner. Educational effort is needed to lessen confusion for users.
  3. Run the Exchange Time Zone Date Update Tool against all Exchange Servers but only modify recurring appointments. Then ask users to rebook single instance appointments that fall into the affected period or ask them to run the Outlook Time Zone Data Update Tool.

    • Pros: Less likely to incorrectly modify single-instance appointments.
    • Cons: Potential risks of both the Exchange and Outlook Time Zone Update Tools; all users will have to run the tool and risks of running the Exchange Time Zone Date Update Tool still exist.
  4. Do not run the Exchange Time Zone Update Tool or the Outlook Time Zone Update Tool. Ask users to examine their calendars and rebook as necessary.

    • Pros: Same as alternative #1-less likely to incorrectly modify single-instance appointments. Avoid potential risks to IT environment of running the Exchange Time Zone Update Tool.
    • Cons: Unless all users rebook all appointments, some calendar items will be one hour off in extended DST period.
  5. If the steps above are not followed correctly, the following actions apply

    • If Outlook Time Zone Data Update Tool is run before Windows operating systems updates are applied to all computers
      If you run the Outlook Time Zone Data Update Tool before the system has the Windows operating system update, the tool will not list any calendar items to update because it will not yet recognize the new DST rules.
    • If the Outlook Time Zone Data Update Tool is run multiple times
      Generally, it is safe to run the tool multiple times because the tool will see all the appointments that were updated and ignore them. That said, if the user explicitly instructs the tool to ignore a set of appointments (for example, single instance appointments that are targeted at a different time zone or that the user created after updating time zone rules but before they run the time zone update tool) then the tool will continue to list those appointments in future runs and the user will have to explicitly ignore those appointments again. Similarly, it is safe to run the Outlook Time Zone Data Update Tool after the Exchange Time Zone Date Update Tool has been run.

Alle Microsoft-produkter påvirket av sommertid

Informasjonen nedenfor er bare tilgjengelig på engelsk

List of products and services affected by daylight saving time


 
Product Family Update Available
Windows Server Windows Server 2008 R2
Windows Server 2008
Windows Server 2003

Windows Client Windows 7
Windows Vista SP2
Windows XP SP3
Exchange Server Exchange Server 2010 SP1
Exchange Server 2007 SP3
Exchange Server 2003 SP2
Exchange Server 2003 MAPI CDO 1.2.1 and CDO 1.2.1
Exchange Server 2003 Lotus Notes Connector
Exchange 2000 Conferencing Server
Outlook
Outlook 2010
Outlook 2007 SP2
Outlook 2003 SP3
Office 365
Office 365
Commerce Server Commerce Server 2007 and 2009
Windows SharePoint Services O365 SharePoint Online
Windows SharePoint 2010
Windows SharePoint Services 3.0 SP2
SQL Server Notification Services SQL Server 2005 Notification Services
SQL Server 2000 Notification Services
Groove Office Groove 2007
Dynamics CRM Dynamics CRM 2011
Dynamics CRM 4.0
Dynamics CRM 3.0
Windows Mobile and Windows PhoneWindows Mobile 6.x
Windows Phone 7
Windows Phone 8
Windows CE Windows CE-based devices
Entourage Entourage
Outlook for MAC

Windows Services For Unix (SFU) and
Subsystem for UNIX-based Applications (SUA)
Windows Services For Unix (SFU) 3.5
Windows Services For Unix (SFU) 3.0
SUA in Windows Server 2003 R2
SUA in Windows Vista

Detailed update information and downloads

Windows Server and Client

Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista SP2, Windows Server2003 SP2, Windows XP SP3

  • For the latest DST updates for all supported versions of Windows refer to KB 914387 How to configure daylight saving time for Microsoft Windows operating systems.

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Exchange Server

Exchange Server 2010 Service Pack 1

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Exchange Server 2007 Service Pack 3

  • Ensure you have the latest Service Pack for Exchange Server 2007, install the Windows cumulative update or Hotfix and then install the Exchange 2007 DST Update. You should then refer to the Updating Exchange and Outlook Calendars page describing how to update Exchange Server 2003 in response to a DST change.
  • The Exchange 2007 SP3 DST Update for August 2011 has been released as a part of Rollup 5. See KB 2602324 Description of Update Rollup 5 for Exchange Server 2007 Service Pack 3 for more information.

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Exchange Server 2003 Service Pack 2

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Exchange Server 2003 MAPI CDO 1.2.1 and CDO 1.2.1

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Exchange Server 2003 Lotus Notes Connector

  • KB 978385 December 2009 cumulative DST update for Exchange Server 2003 Connector for Lotus Notes, Exchange Server 2003 Calendar Connector for Lotus Notes, and Exchange Server 2003 Migration Wizard for Lotus Notes

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Exchange 2000 Conferencing Server

  • KB 932658 Information about the changes to daylight saving time in 2007 for Exchange 2000 Conferencing Server
  • If you are working with a Technical Account Manager (TAM), contact your TAM about creating a hotfix request for Exchange SE to obtain the patch.

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Outlook

Outlook 2010

  • In Outlook, you can display two separate time zones in the Calendar. This allows you to see your local time zone and the time zone of a city that you often travel to. When you travel to that other time zone, you can use the Swap Time Zones option to change the position of the time bar in the Calendar. Using the Swap Time Zones option in Outlook 2010 results in unexpected behavior. This issue is fixed in Outlook 2010 SP1 and Microsoft recommends that customers download and install this service pack to avoid this problem. Customer who have not yet installed Outlook 2010 SP1 can find a work around for this issue in Outlook 2010 in the KB Article 2507003 Using Outlook 2010 Swap Time Zones to switch from non-DST to DST Time Zone does not enable DST in Windows.

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Outlook 2007 Service Pack 2

  • KB 931667 How to address time zone changes by using the Time Zone Data Update Tool for Microsoft Office Outlook

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Outlook 2003 Service Pack 3

  • KB 931667 How to address time zone changes by using the Time Zone Data Update Tool for Microsoft Office Outlook

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Office 365

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Windows SharePoint Services

Office 365 SharePoint Online

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Windows SharePoint 2010

  • KB 2553050 Description of the SharePoint Foundation 2010 cumulative update package (SharePoint Foundation server-package): August 30, 2011

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Windows SharePoint Services 3.0 Service Pack 2

  • KB 888253 How to manually update the DST period for a time zone definition in Windows SharePoint Services by modifying the Timezone.xml file
  • KB 2553019 Description of the Windows SharePoint Services 3.0 hotfix package (Sts-x-none.msp): August 30, 2011

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Commerce Server

Commerce Server 2007 and 2009

  • KB 932395 How to update Commerce Server 2007 and Commerce Server 2009 for the changes to daylight saving time

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SQL Server Notification Services

SQL Server 2005 Notification Services

  • KB 974412 DST time zone update for SQL Server 2005 Notification Services and for SQL Server 2000 Notification Services

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SQL Server 2000 Notification Services

  • KB 974412 DST time zone update for SQL Server 2005 Notification Services and for SQL Server 2000 Notification Services

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Groove

Important information for users who have Groove workspaces: After this change, users should communicate to verify and adjust start times and end times of Groove Meetings tool meetings and Groove Calendar tool appointments. Also, users should be aware that time stamps may appear incorrectly in other Groove tools such as Discussion, Forms, Chat, and messaging. For more guidance on resolving or working around these problems, refer to the DST KB articles listed below for your specific version of Groove.

Office Groove 2007

  • KB 932607 How to correct issues that are caused by daylight saving time changes in 2007 and that affect the Calendar tool in Groove 2007 and in earlier versions of Groove

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Microsoft Dynamics CRM

Dynamics CRM 2011

  • KB 2555051 Microsoft Dynamics CRM 2011 updates and hotfixes

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Dynamics CRM 4.0

  • KB 949256 Microsoft Dynamics CRM 4.0 updates and hotfixes

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Dynamics CRM 3.0

  • KB 908951 Microsoft Dynamics CRM 3.0 updates and hotfixes

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Windows Mobile and Windows Phone

Windows Mobile 6.x

  • For information about updating Windows Mobile 6.x refer to KB 2526756

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Windows Phone 7

  • All Windows Phone 7 updates are published by Microsoft and notifications are sent to your phone when they are available. Installing these updates will ensure you have the latest changes for DST.To manually set the time, tap Settings> Date+time.

Windows Phone 8

  • All Windows Phone 8 updates are published by Microsoft and notifications are sent to your phone when they are available. Installing these updates will ensure you have the latest changes for DST.To manually set the time, tap Settings> Date+time.

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Windows CE

Windows CE-based devices

All updates for Windows CE are available from the Windows Embedded Download Site

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Entourage and Outlook for Mac

Entourage and Outlook for Mac 2011

To ensure you have the latest updates for Daylight Savings Time and Time Zone changes you can do one of the following:

  • Select Check for updates in the Office for Mac 2011 Help menu. This will automatically search for the latest available updates.
  • Visit the Download Page on the Office for Mac website to find the latest available updates

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Windows Services For Unix (SFU) and Subsystem for UNIX-based Applications (SUA)

Windows Services For Unix (SFU) 3.5, Windows Services For Unix (SFU) 3.0, SUA in Windows Server 2003 R2, and SUA in Windows Vista

  • KB 977615 A hotfix is available for Windows Services for UNIX and for Subsystem for UNIX-based Applications to incorporate a cumulative DST update for December 2009

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Microsofts støttepolicy for sommertid- eller tidssoneendringer

Informasjonen nedenfor er bare tilgjengelig på engelsk

Microsoft Support Policy for Daylight Saving Time or Time Zone Changes

Daylight Savings Time (DST) and Time Zone (TZ) updates are important because unless they are applied, the time zone setting for a computer?s clock and calendar, as well as the recorded and reported timestamps may be incorrect. The Microsoft Support Lifecycle policy enables all Microsoft customers to obtain these broadly distributed DST or TZ updates and help ensure their computer?s time information is accurate.

  • General distribution DST or TZ releases
    These are intended for broad consumption and made available via Microsoft and/or Windows Update two times every calendar year in the northern hemisphere's fall and winter. These updates are available at no charge for products in the Mainstream or Extended Support Phase of the Support Lifecycle.
  • Out-of-cycle DST or TZ releases
    DST or TZ updates outside of the general distribution will be considered on a case by case basis. Customers may contact their Technical Account Manager or Microsoft Account Representative for more information.

The Microsoft Support Lifecycle (MSL) policy provides transparent, predictable information regarding the support lifecycle of Microsoft products. More information is available on the MSL web site: http://support.microsoft.com/lifecycle.

Microsofts svar på forespørsler om sommertid/tidssone

Informasjonen nedenfor er bare tilgjengelig på engelsk

Microsoft Windows has established an annual update schedule for daylight saving time (DST) and time zone (TZ) releases. Most Windows-based applications (and some services) reference the underlying operating system for DST/TZ information, but some applications and services do not. Hence many of our product teams also follow an annual product update cadence such a Windows, with provisions for semi-annual cumulative updates as needed. For each update release, Microsoft accepts change requests up to a few months (generally four to six) prior to the release date. The Windows Release schedule provides a regular cadence for other product groups to follow.

Following the Windows regular cadence for publishing newly legislated DST rules and TZ updates, cumulative DST and Time Zone updates are scheduled for release each December (to the Microsoft Download Center and to Windows Update) for the coming calendar year as long as there are time zones affected. When needed, Microsoft product groups may also provide a semi-annual update in the August/September timeframe. The product group will also publish the new or modified TimeZoneInformation (TZI) keys in an update to Microsoft KB article 914387 for IT professionals and systems administrators who may need that information. Microsoft hopes that this will provide a more predictable way for customers to anticipate and plan for our scheduled product updates as they are published.

Recommendations

In order to achieve more seamless transitions to new DST and time zone policies, Microsoft requests that governments provide the following:

  1. Ample advance notice (1 year or more) of the planned change.
  2. Official published confirmation of planned changes to DST or time zones.
  3. Concentrated efforts on promoting the change to the affected citizens.

Customer requests and the Microsoft DST/TZ Support Policy

 
Change TypeChange DetailsSolution RecommendationsSolution
Change to a region's TZ rulesNew DST or TZ change matches another TZs exact parameters.There will be no product updates for this type of request. The recommendation is for the country or region requesting this change to use the existing time zone that matches the same parametersGuidance
Changes to existing time zones

Modifying the DST start and end times and dates of a time zone (or several time zones that affect a particular country or region) with no time zone that matches the exact parameters.

-or-

Modify an existing time zone by change the DST rule or adding and removing DST to a time zone.

-or-

Modifying the time bias to an existing time zone.

In this scenario, if there is no existing time zone that matches the exact requirements of the country or region, the recommendation is to schedule the request to be included in the next DST/TZ cadence release.

Microsoft?s ability to meet any country or region?s needs with this official DST/TZ policy, depends greatly on the regions providing sufficient time (6 months or more) of notification prior to the change taking effect.

Cadence Update

-and-

Guidance

New Time ZonesA subset of the region that shares a time zone makes a change to its DST requirements or changes the time bias of its time zone. A new time zone is required for the subset of users changing requirements because the existing time zone is needed as is for the rest of its users.

This scenario requires a new time zone. The recommendation is to schedule the request to be included in the next DST/TZ cadence release.

Microsoft?s ability to meet any country or region?s needs with this official DST/TZ policy , depends greatly on the regions providing sufficient time (6 months or more) of notification prior to the change taking effect.

Cadence Update

-and-

Guidance

On occasion, when there are extreme circumstances that require a change to a time zone, Microsoft may make an effort to provide a solution to the customers in the impacted regions through an Out-of-Band (OOB) Release. Any such package may include a Windows hot fix and a documented Outlook solution through the TZMOVE tool. Where a temporary workaround for customers exists Microsoft may recommend using the workaround until the Cadence Release is made available.

Andre ressurser

Informasjonen nedenfor er bare tilgjengelig på engelsk

DST Webcasts

When DST and Timezone changes occur Microsoft often produces webcasts to support customers. These webcasts include the guidance provided on this site and the Q&A sessions with customers. The DST Webcasts page will continue to be updated as new webcasts are available.

Microsoft IT deployment guidance


The following guidance documents from the Microsoft IT Department cover a wide range of enterprise scenarios for DST change management. Guidance from both 2011 and 2007 is available all of which remains highly relevant to the broad range of customers and partners using different versions of Microsoft Products in their environments.



MSIT 2011 Guidance
The following documents provide information about Microsoft?s approach to rolling out the DST changes for Russia across the Microsoft enterprise.

XPS format:
To view these documents on computers that do not have Vista or Internet Explorer 7 installed, visit the following Web site to download and install the free XPS viewer: http://www.microsoft.com/whdc/xps/viewxps.mspx

MSIT DST Assessment Checklist
MSIT Enterprise Response Plan
MSIT Russia DST Awareness Communication

PDF format:
To view these documents on computers that do not have the Adobe reader software installed, visit the following Web site to download and install the free PDF viewer: http://www.adobe.com/products/acrobat/readstep2.html

MSIT DST Assessment Checklist
MSIT Enterprise Response Plan
MSIT Russia DST Awareness Communication

MSIT 2007 Guidance
The following links provide information that Microsoft learned in deploying daylight saving time changes in the enterprise during the 2007 DST changes in the United States. This information may help your organization in preparing for changes.

XPS format:
To view these documents on computers that do not have Vista or Internet Explorer 7 installed, visit the following Web site to download and install the free XPS viewer: http://www.microsoft.com/whdc/xps/viewxps.mspx

MSIT DST Assessment Checklist
MSIT DST Enterprise Response Plan
MSIT DST Patching Overview
MSIT DST Exchange TZ Update Tool Guidance
MSIT DST Outlook TZ Update Package Guidance
MSIT DST Exchange Calendar Update Tool Awareness Communication
MSIT DST Outlook Time Zone Data Update Tool Awareness Communication
MSIT DST Windows Mobile Smartphone or Pocket PC user Awareness Communication

PDF format:
To view these documents on computers that do not have the Adobe reader software installed, visit the following Web site to download and install the free PDF viewer: http://www.adobe.com/products/acrobat/readstep2.html

MSIT DST Assessment Checklist
MSIT DST Enterprise Response Plan
MSIT DST Patching Overview
MSIT DST Exchange TZ Update Tool Guidance
MSIT DST Outlook TZ Update Package Guidance
MSIT DST Exchange Calendar Update Tool Awareness Communication
MSIT DST Outlook Time Zone Data Update Tool Awareness Communication
Updating resource mailboxes for daylight saving time 2007

DST Blogs

There are a number of useful blogs to keep customers up to date on DST\TZ changes in their region.

3rd Party Product updates

Blackberry/RIM
The latest available updates for BlackBerry can be found by searching the BlackBerry Knowledge Base
http://btsc.webapps.blackberry.com/btsc/microsites/microsite.do
Enter the Search term ?daylight savings time? and Sort By: Publication Date to find the latest information.

Siste gjennomgang : 26. februar 2014