Microsoft Dynamics 365 (online) Update 2.1 update is now in progress for Dynamics 365.

This article describes the updates and changes that are included in this update.

This update is available for all languages that are supported by Microsoft Dynamics 365.

To see all the new features in this release, go to the following Microsoft Dynamics 365 Customer Center websites:

What's new
What's new for administrators
Microsoft Dynamics CRM roadmap
The Preview features that are available in Microsoft Dynamics 365 (online and on-premises) Update 2.1 are subject to a separate Supplemental Terms of Use.

Build number and file names for this update

Update package

Build number

File name (32-bit editions)

File name (64-bit editions)

Microsoft Dynamics 365 Server

Not applicable


Microsoft Dynamics 365 for Microsoft Office Outlook



Microsoft Dynamics 365 E-mail Router



Microsoft Dynamics 365 Language Pack



Microsoft Dynamics 365 Reporting Extensions

Not applicable


Update information

Microsoft Dynamics 365 (online and on-premises) Update 2.1 is now available.

The following file is available for download from the Microsoft Download Center:

Download the Microsoft Dynamics 365 (online and on-premises) Update 2.1 package now.

Windows Update installation Use Windows Update to automatically install Microsoft Dynamics 365 (online and on-premises) Update 2.1. This must be installed on a server running Microsoft Dynamics CRM 2016 (version 8.0) or later. This update will be available through Windows Update in Q2 of 2017. For more information, see: Upgrade a Microsoft Dynamics CRM 2016 Server

You can configure Windows to automatically install recommended updates. This setting addresses noncritical problems and helps improve your computing experience. Optional updates are not downloaded or installed automatically when you use this setting.

To learn more about the settings to install Windows updates, go to the following Microsoft websites:

Turn automatic updating on or off

Change how Windows installs or notifies you about updates
To install Microsoft Dynamics 365 (online and on-premises) Update 2.1 by using Windows Update, follow these steps:

  1. Click Start, and then type Update in the Start Search box.

  2. In the list of results, click Windows Update.

  3. In the navigation pane, click Check for updates, and then wait while Windows checks for the latest updates for your computer.

  4. If you receive a message that states that important updates are available or that prompts you to review important updates, select the check boxes for any updates that you want to install, and then click OK.

    Note Click any update for more information.

  5. Click Install updates.

  6. Read and accept the license terms, and then click Finish (if the update requires this action). If you are prompted to enter an administrator password, type the password. Confirm that you accept the terms if you are prompted to do this.

Manual installation To manually install Microsoft Dynamics 365 (online and on-premises) Update 2.1, follow these steps.

  1. Go to the following Microsoft Update Catalog website:

    Microsoft Update Catalog

  2. In the Search box, type 4013759, and then click Search.

  3. Click Add to add the update to the basket.

  4. Click Download.

  5. Click Browse, specify the folder to which you want to download the update, and then click OK.

  6. Click Continue, and then click I Accept to accept the Microsoft Software License Terms.

  7. When the update is downloaded to the location that you specified, click Close.

For more information about the Microsoft Update Catalog, click the following article number to go to the article in the Microsoft Knowledge Base:

323166 How to download updates that include drivers and hotfixes from the Windows Update Catalog

Additional installation information

  • After you install this update, exit any existing Microsoft Dynamics CRM sessions, and then start a new Microsoft Dynamics CRM session.

  • When you deprovision a language pack, the language settings of all Microsoft Dynamics CRM users who are using that language will revert to the default language settings. The reprovisioning process does not update the language settings of users. Therefore, users must reset their language settings in the personal options section when they log on to Microsoft Dynamics 365.

Restart requirement If you are prompted to restart the computer, do this after you apply the update.

Removal information Microsoft Dynamics 365 (on-premises) Update 2.1 can be uninstalled from the Microsoft Dynamics 365 server to roll back the program to the previous version.2

Microsoft Dynamics 365 (online and on-premises) Update 2.1 resolves the following issues:


  • "Scheduling Alerts" dialog is displayed without any alerts in non-Internet Explorer browsers.

  • Activities and Closed Activities Icons not displayed correctly for some entities.

  • AdminOnlyMode check should be bypassed when an application from outside wants to execute a SDK in system user context.

  • Appointment recipients do not receive invitations.

  • Appointments created in Outlook, or the Outlook Web App need to be activated.

  • Audit details lost after switching Case Status transition.

  • Cannot add associated record for N:N Relationships with only Append/Append To permissions.

  • Categorized Search fails with Query Builder Error due to use of lookup entity Attributes in Quick Find view.

  • When a Business Process Flow in the Case Entity is duplicated access to Incident records is broken.

  • Changing owner via workflow also changes Owner in Create Audit Event.

  • Clicking Phone Number link opens Quick Create form.

  • Command Bar in activities tab in social pane not displaying all buttons.

  • Navigating from Contact to Opportunity, and back again hangs with the message "Requesting Data from CRM".

  • Creating an Appointment from the Social Pane when < symbol is present (Opportunities).

  • Customized Workflow activity will be triggered twice which is designed to be called only once.

  • Deactivate screen with custom Inactive status reasons requires scrolling to choose the option.

  • Editing columns during Advanced Find throws the error (

  • Email body is disabled while using Chrome in Citrix, and Chrome Incognito mode in Windows.

  • Export solution failed in RoutingRuleHandler.ExportWorkflow with Null System.NullReferenceException: Object reference not set to an instance of an object.

  • Export to Dynamic Worksheet doesn’t respect regional settings.

  • Forms no longer underline section headings since Dynamics 365 upgrade.

  • Getting SQL timeout exception when retrieving application metadata.

  • Open in browser generates invalid URL in iOS 10.

  • Last updated field is not shown up under Health box.

  • Lookup is not defaulting.

  • Missing "+" Icon on the Quick View control.

  • Unable to Set Regarding on e-mails when using the Unified Service Desk.

  • The error "Object doesn't support property or method '$find'" occurs when clicking on Results button twice.

  • Organizations upgraded from Microsoft Dynamics CRM 2016 can have a Null BusinessProcessType causing these Business Process Flows to be unusable post upgrade.

  • A Lookup control error occurs when updating appointment created in Outlook.

  • Page keeps loading after clicking Ok on access denied error.

  • Previous connection to mailbox is not closed properly using Hybrid Email Server Profile.

  • The error "unable to connect to Exchange" occurs when attempting to use the CRM App for Outlook in Outlook Web App (OWA).

  • Scheduling Alert occurs without an alert when changing an existing Appointment.

  • Server Side Synchronization required attendees list changes when multiple contacts exist with same email address, or users exist with same email address as contacts.

  • Solution uninstall is not respecting dependency.

  • StatusCode value is displayed as Integer instead of Text for Inactive records on the QuickViewForm.

  • Subgrid for Opportunity doesn't trigger the Opportunity default Business Process Flow.

  • Subgrid record changes layout of the Form.

  • Sync workflow with System User as primary entity throws error when triggered.

  • SystemUserPrincipals could not repopulate when User is reactivated.

  • Tasks duplicating through Server Side Synchronization after Security Role change.

  • Unable to add Notes to Task After navigating away from Task Form in Dynamics 365 For Sales.

  • Unable to Assign Security Role to Business Process Flow in Dynamics 365 for Sales.

  • Unable to import Excel containing Floating Point Number field data.

  • Unable to populate value on Service field on Service Activity from the Form assistant.

  • Unreadable HTML encode displays in alternate key Selected Attributes list.

  • WebAPI FetchXml query does not return FormattedValues for Link-Entities attributes in Dynamics 365.

  • When hiding the Business Process Flow during onLoad only the first 2 steps are displayed when showing the Business Process Flow.

  • None known

Microsoft Dynamics 365 (online and on-premises) Update 2.1 contains updates that you must configure manually. 

For more information about how to install product updates in Microsoft Dynamics CRM 2016 or Microsoft Dynamics CRM Online, see the following Microsoft TechNet topic:

Install product updates The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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