We have seen a few cases of licensed builds coming online as expired evaluations as people upgrade to Antigen Service Pack 2 for exchange. I believe this is somehow triggered on Active Passive server installs where the Active node fail’s over to the Passive...

We are currently seeing a failure to allocate memory error Error in the programlog: Failed to allocate memory for local stream 0x8007000e Mail flow issues occur at the same time as these memory allocation errors. The mail flow issue is a result...

http://support.microsoft.com/kb/971063   This should be a much better engine choice. In the coming weeks I will be sharing any experiences we have with this engine.   One suggestion: If you switch over to the Cloudmark engine you need to disable...