SharePoint: Troubleshooting guide for importing groups and managers with MIM
Update 2/22/21: The problem that early SharePoint 2019 builds had with getting the timer job to process the staged manager and group membership entries, (the “NoILMUsed” issue) has been fixed. More about that in the “SharePoint 2019” section below. Update 5/21/20: Added some PowerShell and SQL queries to help determine the state of managers and