SSMS WIndows authentications user change

Part - 3

Use a Different Windows User Profile

If the above methods don't work, you can switch to a different Windows user profile:

1. Log Out of Current User:

   • Log out of your current Windows session.

2. Log In as the Desired User:

   • Log in to Windows using the credentials of the user you want to use for SQL Server authentication.

3. Launch SSMS:

   • Open SSMS and connect to your database using Windows Authentication.

Part -2 

Using runas with /netonly

If the above method doesn't work or you cannot type the password, you can use the /netonly flag. This allows you to run SSMS under your current user but authenticate to the SQL Server using a different Windows account.

1. Open Command Prompt as Administrator.

2. Run the runas Command with /netonly:

   runas /netonly /user:DomainName\Username "C:\Program Files (x86)\Microsoft SQL Server Management Studio 18\Common7\IDE\Ssms.exe"

3. Enter the Password:

   • When prompted, enter the password for the specified user.

4. Connect to SQL Server:

   • Launch SSMS and connect to your SQL Server using Windows Authentication. The connection will use the credentials provided in the runas command.

Part - 1

When using Windows Authentication to log in to SQL Server Management Studio (SSMS), the credentials of the currently logged-in Windows user are used by default. If you need to switch to a different Windows user, you can use the runas command, but there are some nuances to consider. 

Using runas Command

1. Open Command Prompt as Administrator:

   • Press Win + X and select Command Prompt (Admin) or Windows Terminal (Admin).

2. Run the runas Command:

   • Use the following command to launch SSMS as a different user:

     runas /user:DomainName\Username "C:\Program Files (x86)\Microsoft SQL Server Management Studio 18\Common7\IDE\Ssms.exe"

     Replace DomainName\Username with the domain and username of the account you want to use.

3. Enter the Password:

   • After running the command, the CLI will prompt you to enter the password for the specified user. Type the password and press Enter.

4. Verify SSMS Launch:

   • If the credentials are correct, SSMS will launch under the specified user account. You can now connect to your database using Windows Authentication with the new user.

Trying to log into SQL Server Management Studio (SSMS) using a different Windows account but encountering some issues. Here are a few steps and tips that might help you successfully log in using Windows Authentication with a different user account:

1. Using Run as Different User:

   • If the "Run as different user" option is not visible when you right-click the SSMS shortcut, you can try holding down the Shift key while right-clicking the SSMS icon. This should reveal the option.

2. Using the Runas Command:

   • The command you provided seems correct, but ensure that you're using the correct syntax. Here’s a simplified version:

     runas \/user:DomainName\\Username \"C:\\Program Files (x86)\\Microsoft SQL Server Management Studio 18\\Common7\\IDE\\Ssms.exe\"
     

   • After executing the command, you will be prompted for the password for the specified user.

3. Using Task Manager:

   • Open Task Manager (Ctrl + Shift + Esc).
   • Find the SSMS process, right-click it, and choose End task if it’s already running.
   • Then use the runas command again to start SSMS with a different user.

4. Check SSMS Settings:

   • Ensure that SSMS is not running in a mode that restricts user switching.
   • You can also try resetting SSMS settings by running:

     ssms.exe \/resetsettings
     

   • After resetting, try launching SSMS again using the runas command.

5. Use a Different Tool:

   • If you still face issues, consider using SQLCMD or another SQL client to connect to the database using Windows Authentication with the desired account.

6. Group Policies:

   • Sometimes, group policies in your organization may restrict the ability to switch users. If you suspect this might be the case, check with your IT department.