Your 'CA PPM Integration' is disabled. This prevents the Microsoft Project (MSP) schedule connector from working properly with Clarity until it's re-enabled. To verify the addin is disabled (versus inactive):
Symptoms reported include:
Release: All Supported Releases
Component: Microsoft Project (MSP) Interface
Reinstall the CA Clarity Addin using the below steps:
(Note: The CA PPM Microsoft Project Interface and CA PPM Schedule Connect components do not have to be uninstalled/reinstalled)
From Control Panel -> Programs and Features, uninstall the CA Clarity Addin component
Note: You may not find anything to delete/clear if everything was successfully removed via the step above