- Cannot export MS SQL dump in Plesk (Subscriptions > example.com > Databases > Export dump):
Unable to export a dumps: Unable to backup database
Unable to open network connection: The user name or password is incorrect (Error code 21)
- Changing password for the database user does not take any effect.
The password specified for the MS SQL user is invalid.
Update user credentials for MS SQL server in Plesk:
- Go to Tools & Settings > Database Servers.
- Click on the host name of needed MS SQL server:
- Go to Settings and specify a new password under Authentication section.