Issue – Login failed for user ‘xxx’. Reason: Server is in single user mode. Only one administrator can connect at this time. Cause – Ensure SQL Server is not running in Single user mode by checking start-up parameter. if you see -m; it mean your SQL is running with single user mode. -m : Starts an… Read More Login failed for user ‘xxx’. Reason: Server is in single user mode. Only one administrator can connect at this time.
If you ever encounter restart computer error message while performing SQL Server patching and you don’t have opportunity\permission to restart your machine. You can bypass this situation by deleting value from PendingFileRenameOperations key. Here are the steps which you need to follow –> To Open Registry Editor. Click Start ( win + R ) –> Run,… Read More How to bypass restart computer error message while installing SQL Patch