In most of the cases, Administrator tried to give different credential for testing or other purpose, or an existing credential might not have required privilege to access resource and he/she may wanted to change the credential.
Steps to Clear Cached Network Credentials
To delete locally cached credentials you can follow the below steps.
1. Open Run Window by clicking Start -> Run or click ‘Windows key’+‘R’.
2. In the text box, type the command rundll32.exe keymgr.dll, KRShowKeyMgr and click OK.
Note:You can also type and run this command through Command Prompt.
You could see the Stored Usernames and Passwords window after run the command.
3. To remove a saved credential you can select one of the entries and select Remove. A confirmation screen will appear. Click on OK and the account will be removed
4. You can add additional saved passwords as well by clicking on the Add button and entering the appropriate information
Note : This article is applies to Windows Server 2003, Windows Server 2008,Windows Server 2008 R2, Windows Server 2012, Windows 7 and Windows 8.
Thanks,
Morgan
Software Developer