Exchange 2010: AD Recipient Cache and Locking Threads in EdgeTransport – Or How We Figured Out Something Wasn't Right With Mail Stuck in Submission Queue

A while ago we had an issue, wherein SCOM fired for message queue length for messages in Submission. When we went to take a look, the messages were stuck in Submission and weren't really going anywhere. Took a dump of EdgeTransport, paused Transport, and the queues eventually flushed. Opened Windbg against the dump and here's what…

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PowerShell Scripting: EWS and IPM.Configuration.Owa.UserOptions

So, to start off, I should explain how this script came about and why it's, currently, in a 'legacy' status. There was an issue in Exchange 2010 (that, has since, been fixed), where the save method for the IPM.Configuration.Owa.UserOptions item was in an infinite loop due to corruption. This corruption didn't come into fruition until long after RTM…

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