SUMMARY:
This technical note documents a known issue where an MDX Database Instance cannot be deleted from a project as the Remove button is grayed out, even though it no longer has any dependent objects, in Strategy Analytics Enterprise 9.4.1.
SYMPTOM:
When trying to delete an MDX Database instance from Schema Maintenance, the Remove button is disabled, as shown below:

STEPS TO REPRODUCE:
This issue occurs even after deleting all the MDX Database Instance dependent objects, as per the following technical note:
KB43370: How to remove an MDX Database Instance in MicroStrategy Desktop 9.x when the "Remove" button is grayed out.
CAUSE:
This is a known issue in Strategy Analytics Enterprise 9.4.1.
ACTION:
Contact Strategy Technical Support for an update on the status of this issue.
The Strategy Internal Reference Number for the issue discussed in this technical note is 924546.