Starting the Control Suite results in an "Application Failed to Initialize" Error

Plesk Servers > Troubleshooting
When I Run the Control Suite I Get an "Application Failed to Initialize" Error.
Issue
When attempting to access the Control Suite you receive an "Application Failed to Initialize" error.

Possible Causes
The Control Suite uses a UserName/Password/IP Address address authentication in order to load its components. Your server plan may not include Control Suite You may be using an incorrect username and/or password.

Resolution
  • The dedicated server plan you are on does not include the Control Suite. You will need to contact our sales department to discuss the different dedicated server plans we have that includes the Control Suite.
  • You are not using the correct username and password.  You should use the default credentials unless otherwise instructed by our support team:

    Control Suite Login
  • Control Suite's cache may need to be cleared.
    1. Press Windows key + R.
    2. Type %temp% and press Enter.
    3. Locate the ControlSuite folder and delete it.
    4. Relaunch Control Suite using the default credentials.

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