Failedtounregistermasterimagefrommdm !!hot!! May 2026

Remove-DesktopPool -pool_id "PoolName" -DeleteFromDisk -Force – delete image reference directly:

Remove-ProvMasterImage -ProvisioningSchemeName "YourScheme" -MasterImageVM "YourImage" -ForgetVM : failedtounregistermasterimagefrommdm

(use with caution):

SELECT * FROM MasterImages WHERE ImageName = 'YourImageName'; DELETE FROM MasterImages WHERE ImageName = 'YourImageName'; For , run the following against the vCenter or Composer database: VMware Horizon 8

Remember: always back up your MDM database before any manual intervention. A few cautious minutes can save a full day of recovery. Last updated: March 2025 – Applies to Citrix DaaS 2402+, VMware Horizon 8, and Microsoft Configuration Manager current branch. failedtounregistermasterimagefrommdm

: