Because the switch user delete user causes SSMs to be unable to use, the individual SSMS installation package that is downloaded by Baidu cannot be used, and we can fix it with the repair function provided by the complete installation package.
1. Open the installation package, select the Maintenance page, click Repair
2. Because it has been successfully installed, so there is no problem with the installation rules, in case of problems to see the details of the specific resolution, after the installation rules detected successfully, click OK
3. Install the supporting Files page: Click Install, click Next after installation is complete
4. Select an instance and click Next
5. After the repair rule has been detected, click Next
6. Fix the final confirmation of the preparation, click Fix
7. Follow the progress bar.
8. Repair complete, close
SSMs's Out, success!
SQL Server Management Studio (SSMS) fix to troubleshoot problems that SSMS cannot find