We recently received this alert after importing the Lync 2010 Management Pack into System Center Operations Manager 2007 R2:
Alert: An internal exception has occurred while running the Call Reliability Peer To Peer script.
Alert description: Call Reliability Peer To Peer script was not run successfully. Please check alert context for details.
To resolve this issue, add the computer account of your monitoring server to the RtcUniversalReadonlyAdmins group in Active Directory.