Login failed for user WebsitePanel

Error: Login failed for user WebsitePanel

One of our VPS customers recently receiving following error while browsing WebsitePanel of his VPS:
Login failed for user 'WebsitePanel'

If you are receiving the same error then kindly follow the below mentioned steps to fix it:

1. Open the EnterpriseServer path for WebsitePanel installation (eg: C:\WebsitePanel\Enterprise Server).
2. Open web.config file. You should see something similar to this:
   
3. Copy the password from this file and reset it for WebsitePanel username in SQL Server 2008 Express Edition.
4. Follow the below mentioned steps to reset the password of WebsitePanel username in SQL Server 2008 Express Edition:
   1. Login to SQL Server 2008 via SQL Server Management Studio using “sa” username
   2. Expand the Security option
   3. Expand the Logins option
   4. Right click on WebsitePanel username
   5. Provide the new password in Password field and specify the same password in Confirm password field
   6. Uncheck the option Enforce Password Policy
   7. Click on OK button.