I need to upgrade an existing Hyper V Virtual machine's OS to enterprise from its current 2008 R2 standard, I plan on using the same license key as the enterprise OS that it is running on, I get to be able to do this 4 times with Enterprise i understand, however I am unfamiliar with the DISM command line utility and have never used it on a server before, Are there any risks that I should be aware of or precautions that I should take? it seems simple enough and I have seen it work often on windows 7 with ease, however this VM is also running SQL server on it and I need to make sure nothing breaks in that. Has anyone done this with an active SQL server and has tips for me? soon I will also be needing to do this to another server however this one will be the Base OS running the Hyper-v role, I am looking into any issues that might arise there as wellijerry

Alright, I will ask the question over in the SQL section, thank you.ijerry