While working on a SharePoint test environment the other day I tried to take a backup of a site collection and got an error. After digging further I noticed that all databases were in compatibility mode. This lead me to Windows Update and I noticed that SharePoint security patches had been pushed to all servers in the farm and the SharePoint Products Configuration Wizard had NOT been run. This is a big no-no…please, if you push patches to your servers monthly and they include SharePoint-related patches make sure to run the grey wizard after. After applying patches to the servers in the farm I tried to run the grey wizard and got the following error:

“Error: Some farm products and patches were not detected on this or other servers. If products or patches are missing locally, you must quit this program and install the required products and patches on this server before starting this wizard. If products or patches are missing on your servers, you must install the required products and patches on the specific servers, and you may then click the Refresh button to perform the status check again.”

After running the following command on each server everything started working:

Get-SPProduct –local