- You have an existing Windows Server 2003 forest.
- Microsoft Office Communications Server or Microsoft Office Live Communications Server 2005 Service Pack 1 (SP1) is installed on a Windows Server 2003-based computer.
- The Windows Server 2003-based computer is a member of a domain in the Windows Server 2003 forest.
- You upgrade a domain controller in the forest to Windows Server 2008.
Additionally, you may be unable to add new Office Communications Server servers or Live Communications Server 2005 SP1 servers to the forest. You may also be unable to add new Office Communications Server or Live Communications Server 2005 SP1 pools.
You can also use the Lcscmd.exe command-line tool to prepare the Windows Server 2008 forest for the installation of Communications Server or Live Communications Server 2005. To prepare the forest by using the Lcscmd.exe command-line tool, open a command prompt, type the following command, and then press ENTER:
When you run the Prep Forest option in the Live Communications Server Deployment Tool, the CheckForestPrepState action checks that the Communications Server tab or the Live Communications Server 2005 tab exists on each display specifier. If the display specifier does not exist on each tab, the CheckForestPrepState action reports that the forest must be re-mapped.
Article ID: 958980 - Last Review: Mar 10, 2010 - Revision: 1