Daily Archives: October 19, 2009

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.

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 determine the most appropriate way to address it. Customers who are not running OCS or LCS server are not affected by this known issue, and can safely ignore this issue.

Customers who have deployed the OCS or LCS product on a server should assess the risk that is involved to decide whether to install the security update on that server. These customers should revisit this Knowledge Base article often, because this article will be updated as soon as more information and a resolution are available.

Office Communications Server 2007 R2: Installation failed with: Failure [0x80070005] Access is denied.

If you installation failed with: Failure [0x80070005] Access is denied.

This is a problems with administrator rights.

Please check the following things:

  1. The user need to be a domain user.
  2. The user is member of: Domain Admins group and RTCUniversalServerAdmins group. (Remember to relogon after you have put the user in these group).

Then right click on the installation file:

\Setup\amd64\setupee.exe (For enterprise)
\Setup\amd64\setupse.exe (For standard)

And then click Run As, then run it without “Run this program with restricted access”

Now you should be able to installed the Office Communications Server 2007 R2