Once we Remove the Delivery group from the controllers, Desktop Director will still show orphaned Delivery group.
 

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This is by design and can be controlled via Set-MonitorConfiguration command let.

- Run the powershell commandlet  below on one of the delivery controllers in the site.
- Load Citrix snapins by executing asnp citrix*
- Execute Set-MonitorConfiguration -GroomDeletedRetentionDays 0.
- This will force deletion of the deleted items from controllers in the monitoring tables.
- Restart the Monitoring service on all the controllers in the site.

 

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Problem Cause

This is by design and for platinum customer the retention period is 90 days by default.

- GroomDeletedRetentionDays parameter determines how many days to keep Machine, Catalog, DesktopGroup and Hypervisor entities around that have a LifecycleState of ‘Deleted’. This also deletes any related Session, Connection, Summary, Failure or LoadIndex records.