KB2326: Update to Microsoft Azure AD Connect causes SQL ...
https://www.veeam.com/kb232631.07.2017 · If you recently installed this update, the repair of the SQL installation should fix the issue. If you didn’t, still try the below since it might also resolve other issues. Go to Add/Remove Programs; Select Microsoft SQL Server 2012 Express LocalDB (or your actual SQL version) Select Repair; Note that it’ll require a reboot afterwards.