I thought I would update my copies of Veeam this week. It's always been a simple process in the past. Mount the iso, run setup.exe and off we go. All went well until I got the error: Unable to detect database action. WTF??? I tried the SQL creds I thought were correct. No go. I opened the database in SSMS with the same credentials with no problem. Still nothing when used in Veeam. Reboot. Same results. Put in a support case with Veeam.
The next day I got a response saying I should follow the steps in this article: https://web.archive.org/web/20151020081242/https://support.microsoft.com/en-us/kb/886549. It has to do with the user shell paths. Well that's it! We changed file servers a couple of weeks ago. I went through and made the changes in that article that still pointed to the old file server. Reboot. Same issue. This time I searched the whole registry for instances of my old file server and found a dozen or so more references to it. I updates all those with the new file server. Reboot. There we go! Veeam 10 installed without another complaint.
If you recently changed file servers that affect the user shell paths, you will need to update those for Veeam to update. No idea how that affects "database action", but it worked for me.
