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The MUX that can’t (Sametime for all of you others)


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We started having an issue on one of our customer's hosted Sametime servers where during the day, at seemingly random times, the MUX service would just die and goa way.  Only to return a short time later when it restarted itself.  Now there is a NSD outfile for the MUX service that shows it is notes a Notes service.  That is awfully confusing when it is a Sametime service that runs on Notes.  So I can see where it gets confused.  The server is also tunneled and was trying to assume the IP address of the internal NIC card that we use for the backup network.  Instead of the external NIC that is NAT to the Internet.

Unfortunately the only technote that is close, and describes the problem almost exactly, has no fix.  The almost exactly part states that you get MUX exception errors in the Windows Event Viewer only when the service terminates normally.  So basically, don't worry about it.  But I am getting the exact error, on the exact operating system version while the server is running and not shutting down.  Still the answer is quite simple:

This issue has been reported to Quality Engineering.


UGH!   Updates on the solution as they come in.