Office Communications Server 2007 R2: Installation failed with: Failure [0xC3EC78D8] Failed to read the Office Communications Server version information. This can happen if the computer clock is not set to correct date and time.
admin Its was solved by uninstall KB974571. Microsoft recommends to postpone installing KB974571 on any LCS 2005 / OCS 2007 /OCS 2007 R2 servers. “Microsoft is investigating this issue, and will…