When creating a WMI filter, a new query cannot be created.
When clicking the "New Query" button, an error message appears: "WMI Filter (): Exception has been thrown by the target of an invocation. Object reference is not set to an instance of an object."
The service account needs to be a local administrator on the GPOAdmin server.
To set up minimum permissions for the service accounts
1 Create a service account and add it as a member of the Local Administrators group where the GPOADmin service is installed.
2 Grant this account Log on as a Service on the computer where GPOADmin is installed.
3 Grant the service account Full Control to the installation directory.
4 Create the "Quest" container for the configuration store in either Active Directory or AD LDS (depending on where the configuration will be stored.
5...
The full list of permissions can be found in the quick start guide below
https://support.quest.com/technical-documents/gpoadmin/5.21/quick-start-guide/4#TOPIC-2312367
