OCS 2007 R2 Standard error 0xC3EC79E6

If the Office Communications Server Monitoring Agent fails to start with this error:

Service Name: RtcQmsAgent
Descriptive Name: Office Communications Server Monitoring Agent
Failure
[0xC3EC79E6] Service failed to start as requested.

You must install MSMQ from the operating system as follow:

1. In Control Panel, double-click the Add/Remove Programs icon.
2. On the left tab of the Add/Remove Programs window, click Add/Remove Windows Components.
3. Once the Windows Components Wizard opens, click to select the Message Queuing Services item. Click Next.
   
   This will start the MSMQ 2.0 setup process. Your Windows 2000 and Windows XP installation CD-ROM, network share, or install point must be available.
4. MSMQ will display an installation dialog box. You will be prompted to install either an MSMQ server or a dependent client. Click Message Queuing Server.
5. MSMQ will then search for a Domain Controller with MSMQ installed. If MSMQ doesn't find a domain controller automatically, it will display a dialog box requesting the "Name of the computer running MSMQ." You can type in the name of a Windows 2000 and Windows XP Domain Controller.
6. You can also choose to install MSMQ 2.0 in Workgroup mode (by selecting Message Queuing Will Not Access a Directory Service),
   

view the article in the Microsoft Knowledge Base

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