Supportability is available for Office Communications Server 2007 R2 member server role on a Windows Server 2008 R2 operating system

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Article ID: 982021 - View products that this article applies to.
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Summary

This article describes the supportability for the Microsoft Office Communications Server 2007 R2 member server role on a server that has a Windows Server 2008 R2 operating system installed. However, the following scenarios are currently not supported on a Windows Server 2008 R2 operating system:
  • Upgrading the operating system to Windows Server 2008 R2 for an existing installation of Office Communications Server 2007 R2 is not supported.
  • Office Communications Server 2007 R2 administration tools will only install in native 32-bit or native 64-bit mode. Because of an application compatibility issue with Windows Server 2008 R2, installing 32-bit Office Communications Server 2007 R2 administration tools on 64-bit Windows 2008 R2 operating system is not supported.
  • Development with Speech Server (2007) Developer Edition and deployment of the Speech Server 2007 role are not supported on Windows Server 2008 R2.
  • The Office Communications Server 2007 R2 XMPP Gateway role is not supported on Windows Server 2008 R2.
  • The Communicator Web Access 2007 R2 role is not supported on Windows Server 2008 R2         

More information


Take the following steps to install Office Communications Server 2007 R2 on a server that is running a Windows Server 2008 R2 operating system:
  1. Install.NET Framework 3.5.1 by using Roles wizard from Server Manager. You can do this by selecting the Windows-based application server role to make sure completeness. This is a manual step. You must have .NET Framework 3.5 SP1 on a Windows Server 2008 R2 operating system before you install a version of Office Communications Server 2007 R2 that only includes .NET Framework 3.5.
  2. Install the Desktop Experience Features by using Add Features wizard from Server Manager. This is required for Media format runtime. The name of the media format runtime package depends on the operating system and the Office Communications Server 2007 R2 setup that refers to the Windows Server 2008 or to the Windows Server 2003 Media format runtime installation package.
  3. Install the Hotfix that is described in KB 975858 for Windows Server 2008 R2.
    975858 An application or service that calls the InitializeSecurityContext function together with the ISC_REQ_EXTENDED_ERROR flag may encounter a TLS/SSL negotiation failure on a computer that is running Windows Server 2008 R2 or Windows 7 operating system
  4. Install Office Communications Server 2007 R2 Server Roles
  5. For Office Communications Server 2007 R2, Standard Edition, or Enterprise Edition, or Edge Server role, when KB 974571 is installed, Activation of the Office Communications Server 2007 R2 server role fails. To fix this problem, follow these steps:
    1. Apply the OCSASNFix.exe file. To download the Ocsasnfix.exe file, visit the following Microsoft Web site:
      Install the OCSASNFix.exe file
    2. Rerun Office Communications Server 2007 R2 Activation
    Note This is not specific to Windows Server 2008 R2 operating system. For more information, visit the following Microsoft Web site:
    Learn more about the vulnerabilities in CryptoAPI
  6. Install updates for Office Communications Server 2007 R2 that are dated October 2009 (3.5.6907.56), or install later versions. To download the updates for Office Communications Server 2007 R2, visit the following Microsoft Web site:
    Microsoft Office Communications Server 2007 R2 Hotfix KB 968802

    For more information about how to install the Office Communications Server 2007 R2 updates, click the following article number to view the article in the Microsoft Knowledge Base:
    968802 Updates for Communications Server 2007 R2
  7. Install updates for Office Communications Server 2007 R2, Group Chat Server, Office Communications Server 2007 R2, Group Chat Admin Tool and Office Communications Server 2007 R2, Group Chat Client that are dated May 2010 (3.5.6907.200), or install later versions.

    Note You will experience the issue that is described in Microsoft Knowledge Base article 982129 if you do not apply the the update that is mentioned in the previous step. To download the updates for Office Communications Server 2007 R2, Group Chat Server, visit the following Microsoft website: To download the updates for Office Communications Server 2007 R2 Group Chat Administration Tool, visit the following Microsoft website: To download the updates for Office Communications Server 2007 R2 Group Chat Client, visit the following Microsoft website:
  8. The default security setting on Windows Server 2008 R2 operating system for NTLM SSP requires 128-bit encryption. Depending on the client operating system mix in the enterprise, you may have to reduce this setting on a Windows Server 2008 R2 operating system that is running Office Communications Server 2007 R2 as a down level operating system. The key is set to "No requirement."
    1. For any down level operating system, such as Windows XP or for Windows Vista, the default value is set to "No Minimum."
    2. For a Windows 7 operating system, the default value is set to "Requires 128-bit encryption."

For more information about the “Changes in NTLM Authentication” as it applies to Windows 2008 R2 and Windows 7 operating systems, please visit the following Microsoft Web site:
Learn more about the changes in NTLM Authentication

If you want to change the NTLM setting, follow these steps:
  1. Start secpol.msc on a Windows Server 2008 R2 operating system server.
  2. Click to select Local Policies and then click Security Options node.
  3. Make sure that the following values of the policies are set to "No Minimum."
    • Network Security: Minimum session security for NTLM SSP based (including secure RPC)
    • Network Security: Minimum session security for NTLM SSP based (including secure RPC) servers
For more information about the operating systems that are currently supported for Office Communications Server 2007 R2, visit the following Microsoft Web site:
Learn more about Internal Office Communications Server Component requirements

For more information about Office Communications 2007 R2 running in Windows 2008 R2 Domain and Forest, click the following article number to view the article in the Microsoft Knowledge Base:
982020 Office Communications Server 2007 R2, Office Communications Server 2007 or Live Communications Server 2005 does not work correctly after you upgrade a domain controller to Windows Server 2008 R2 operating system

Properties

Article ID: 982021 - Last Review: October 4, 2012 - Revision: 6.0
Applies to
  • Microsoft Office Communications Server 2007 R2 Enterprise Edition
  • Microsoft Office Communications Server 2007 R2 Standard Edition
Keywords: 
kbexpertiseinter kbinfo kbtshoot kbsurveynew KB982021

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