If the VM's unique ID has changed then the XenDesktop database may be unaware of this UID mismatch. This process will verify the UID known to XenDesktop for the VMs and compare against the UID provided by the hypervisor. This can be caused by changes made on the hypervisor to VM metadata. Using maintenance mode to fix the Hypervisor connection state.

Removing the affected VMs and adding them againĮnsuring SCVMM hotfix version are matching This issue can also be resolved using other methods. To update the correct host machine ID on the DDC, complete ONE of the following solutions ( Solution 1 or Solution 2). at .(Runspace runspace, Action`1 action) at .(String id, Runspace runspace) at ._Displa圜lass44`1.b_42(Runspace runspace) at .(Func`2 worker) at .(Func`3 worker) The Desktop Delivery Controller (DDC) broker log contains Citrix Pool Management exceptions relating to the machine in question, such as:Ģ3/08/11 15:18:41.7081: HostingManagement:PollForPowerStateUpdates: problem while fetching state for 02e0d308-c9cf-4fbc-9fb2-aaaaaaaaaaaa: : Exception of type '' was thrown. Check that the host connection information is correct. Verify that there are no storage problems on the host. Check that the configuration of the virtual machine on the host does not prohibit the requested power action. This problem is most likely due to a host issue. The Citrix Broker Service detected that power action '%1' on virtual machine '%2' failed. Machines in Desktop Studio or Desktop Director display a Power State of Unknown.

Xendesktop 7 server vdi