Anyone has tried inplace upgarde windows 2008R2 to Windows 2012 and than to Windows 2016 ? Any consideration and things need to take care ?
An in-place upgrade is never recommended mainly because of corruption carry-forward. Better option is to clean install the operating system, patch fully, migrate roles over to new one.
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You can follow the guide below to do the in-place upgrade:
If you believe your server is still a good candidate for an in-place upgrade, here are some important things you should know about before doing an in-place upgrade:
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
Hope above information can help you.
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Suppose the current windows 2008 already have some windows update, how to check if any of these update will block the upgrade process ?
Updates would not block upgrade.
I'd verify system and servicing health by running;
also system update readiness tool
Then check for errors in;
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