Office Communicator 2007 Solution Center
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 | Troubleshooting- You cannot adjust the volume of the speaker or the volume of the microphone in Communicator 2007 on a Windows XP Professional SP2-based computer
Describes a behavior in which you cannot adjust the volume of the speaker or the volume of the microphone in Communicator 2007 on a Windows XP Professional SP2-based computer. - You cannot log on to Communicator 2007 when the additional authentication dialog box appears
Discusses a problem that occurs after your mailbox has been moved from one Exchange server to another Exchange server. Provides a resolution. - Communicator 2007 does not update the free/busy information as scheduled
Explains that Communicator 2007 does not update your free/busy information as scheduled. A resolution is provided. - Error message when you log on to Communicator 2007: "Cannot Synchronize Address Book"
Describes an issue in which you receive an error message when you log on to Communicator 2007. Provides a resolution. - A user cannot add a third person to a conversation to start a video or audio conference when another user puts the conversation on hold in Communicator 2007
Discusses a behavior that means that the initiator of a conversation might not necessarily be the leader of a conference in Communicator 2007. - Error message when you use the Conferencing Validation Wizard to troubleshoot conversation issues in Communicator 2007: "Failure [0xC3FC200D] One or more errors were detected"
Describes an issue that occurs because Communications Server 2007 does not operate correctly if there are too many trusted root certification authorities installed on the computer. Provides a resolution. - /kb/944362/en-us
Describes an issue that occurs because the original SIP session that initiated the file transfer expired. Provides a workaround. - Communicator 2007 or the Live Meeting 2007 console may stop responding when you disconnect a call on a Windows XP Service Pack 2-based computer
Describes an issue in which Communicator 2007 or the Live Meeting 2007 console may stop responding when you disconnect a call on a Windows XP Service Pack 2-based computer. A resolution is provided. - When you start an audio conference, a video conference, or a VoIP call in Office Communicator 2007 or in the Office Live Meeting 2007 client, CPU usage may become high on a Windows Vista-based multicore computer
Describes an issue in which the CPU usage may increase to 50 percent on a Windows Vista-based multicore computer. - You cannot start a video-only conference in Communicator 2007
Describes a behavior in which you cannot start a video-only conference in Communicator 2007. Provides a workaround. - You cannot download the corporate address book, and you receive an error message when you use Communicator 2007 to log on Communications Server 2007: "Cannot Synchronize Address Book"
Describes an issue in which you cannot download the corporate address book when you use Communicator 2007 to log on Communications Server 2007. Provides a resolution. - You cannot send audio and video output when you accept a call or make a call in Communicator 2007 on a Terminal Server
Describes a behavior that occurs because output from local microphones and from local webcams is not sent to the Terminal Server. - Communicator 2005 or Communicator 2007 may close unexpectedly when the program requests a long-term calendar entry or a contact from Outlook 2003
Describes a problem in which Communicator 2005 may close unexpectedly when the program requests a long-term calendar entry or contact from Outlook 2003. Provides a resolution. - The "Share Information Using Live Meeting" option is unavailable in Office Communicator 2007 and in Office Communicator 2007 R2
Discusses a problem in which the "Share Information Using Live Meeting" option is unavailable in Office Communicator 2007 and in Office Communicator 2007 R2. - "Signing in to SIP Communications Services failed" message when Windows Messenger users try to sign in to Live Communications Server 2005 or Live Communications Server 2003
Describes an issue that occurs if the name of the domain that is hosted by Live Communications Server differs from the SIP URI. - When you try to start Communicator 2007 or Communicator 2005, the program does not start
Describes an issue that may occur when the COM+ Event System service has been stopped and disabled. Provides a resolution. - Description of the Mac Messenger 7.0.2 update: February 3, 2009
Describes the Mac Messenger 7.0.2 update that is dated February 3, 2009. - Communicator 2007 does not change a user's status to "In a Meeting" when an appointment is in progress
Describes a problem in which Communicator 2007 does not change user's status to "In a Meeting." Provides a resolution. - Office Communicator 2007 causes an access violation in a Citrix environment
Describes that Communicator 2007 causes an access violation in a Citrix environment. - Communicator 2005 or Communicator 2007 populates the PBXPhoneDomain field and the MaximumNumberOfExtensions field when you use the Communicator.adm file to configure Group Policy settings
Describes a problem in which Communicator 2005 or Communicator 2007 populates the PBXPhoneDomain field and the MaximumNumberOfExtensions field when you configure the Group Policy options. To fix this problem, delete two sections in the Communicator.adm - You cannot sign in to a server that is running Communicator 2007, Live Communications Server 2005, or Live Communications Server 2003 through a Cisco PIX firewall
Describes a problem that occurs if you are not using Transport Layer Security (TLS) to help secure the communication between the client program and the server that is running Live Communications Server. Provides a resolution. - Error message when you try to sign in to Communicator 2007 or Communicator 2005 on a computer that is running Windows XP SP2: "Cannot sign in to Communications Service"
Describes an issue in which you receive a "Cannot sign in to Communications Service" error message when you try to sign in to Communicator on your Windows XP SP2-based computer. Provides a resolution and a workaround. - When an Enterprise Edition pool is behind a load balancer that is in SNAT mode, and when the Communicator server is in the Enterprise Edition pool, static routes for TCP on the Enterprise Edition pool do not work correctly
Explains a problem that occurs when you configure static routes for TCP on an Enterprise Edition pool. If the Enterprise Edition Pool is behind a load balancer that is in SNAT mode, clients cannot control the calls that they initiate. - You cannot disable the Communicator Call option in Office Communicator 2007
Describes a problem in which you cannot disable the Communicator Call option in Office Communicator 2007. - Error message when you try to log on to Live Communications Server 2005 SP1 or to Communicator 2007 by using Communicator Web Access: "The server is unavailable"
Describes an error message and an event ID that you may receive when you use Communicator Web Access to log on to Live Communications Server. Provides a resolution.
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