How to Migrate WSUS Database between two SQL Servers.
Solution 1. You have access to both SQL Servers
1. Run Command Prompt as Admin on your server with WSUS Role;
2. Type and execute the next command:
net stop W3SVC && net stop wuauserv && net stop WsusService
3. Run SQL Server Management Studio on the first (old) SQL serveris;
4. Navigate to your WSUS Database (by default SUSDB). Right Click and select Tasks\Detach;
5. Copy your WSUS Database ir Logs files to a new location;
6. Run the new SQL Management Studio and Attach copied Database;
7. On your WSUS Server run Registry Editor and change the key:
HKLM\SOFTWARE\Microsoft\UpdateServices\Server\Setup\SqlServerNameStart
8. Change server name from old SQL Server to new;
9. Run Command Prompt as Admin on your server with WSUS Role;
10. Type the next command:
net start W3SVC && net start wuauserv && net start WsusService
11. Test, by running WSUS Console.
Solution 2. You have files of WSUS Database
In case you can’t access to SQL Server instance with WSUS database with SQL Management Studio, but DB and Logs files are available.
1. Run Command Prompt as Admin on your server with WSUS Role;
2. Type and execute the next command:
net stop W3SVC && net stop wuauserv && net stop WsusService
5. Copy your WSUS Database ir Logs files to new location;
6. Run SQL Management Studio on the new SQL Server and Attach copied Database;
7. Expand theSaugumas, Right Click onLogins, and then selectNew Login;
8. EnterNT AUTHORITY\NETWORK SERVICE for the Login Name;
9. Click onUser Mapping and confirm that the user has thedbo Default Schema granted on theSUSDB Database;
10. Click onGerai to create the login;
11. Right Click onLogins, and then selectNew Login;
12. Enter{WSUS Server Name}\WSUS Administrators for theLogin Name;
13. Click onUser Mapping and confirm that the WSUS Administrators Group is granted access to theSUSDB Database;
14. Click onGerai to create the login;
15. On your WSUS Server run Registry Editor and change key:
HKLM\SOFTWARE\Microsoft\UpdateServices\Server\Setup\SqlServerNameStart
16. Change server name from old SQL Server to new;
17. Run Command Prompt as Admin on your server with WSUS Role;
18. Type the next command:
net start W3SVC && net start wuauserv && net start WsusService
19. Test, by running WSUS Console.