The following operating system updates are prerequisites for deploying Office Communications Server 20007 R2:

  • Microsoft Knowledge Base article 953582, "You may be unable to install a program that tries to register extensions under the IQueryForm registry entry in Windows Server 2008 or in Windows Vista," at .

This update must be installed before you install Office Communications Server 2007 R2 administrative tools. It applies to Windows Server 2008 and Windows Vista.

This update applies to Windows Server 2003 SP2 and Windows Server 2008.

See Also