Quick PowerShell Stuff 18

A client approached me with a need for some mailbox statistics. They wanted a script or some sort of PowerShell code to examine a few mailbox details for a migration from one environment to another that was being processed with third party tools. The source environment was running Exchange Server 2010. This means PowerShell 2.0. Now, I’ve written code for Exchange since Exchange 2007 came out. However, I learned a valuable lesson for these scripts. Test in the same version of Exchange. Yes. Obvious. Maybe even Captain Obvious level here…. However, I didn’t have an Exchange 2010 server with actual verifiable data I could use in my example.

So what did I do? I used Exchange 2013. I had data. I had calendar items, tasks, you name it. The cmdlets I was using are the same for both versions. Well “same” has a different meaning in Exchange PowerShell. So what happened? Lot’s of red. Basically Exchange 2010 wasn’t able to use the same parameters and switches like 2010 did. So I ended up rewriting the script to run on both 2010 and 2013, which would then make it more versatile. The script was also validated to run on Exchange 2016 in a lab. Continue reading

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