Unable to add new disk to a VM created by Citrix BDM/MCS
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Unable to add new disk to a VM created by Citrix BDM/MCS


Article ID: 313609


Updated On:


VMware vCenter Server VMware vSAN VMware vSphere ESXi


  • Adding a new disk to a virtual machine created by Citrix BDM/MCS fails with the error similar to:
"PBM error occurred during PreProcessReconfigureSpec: pbm.fault.PBMFault; Error when trying to run pre-provision validation; Invalid entity".
  • This issue also occurs when the user updates the machine configuration on Citrix BDM/MCS.
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.


VMware vSAN 6.6.x
VMware vCenter Server 6.5.x
VMware Update Manager 6.5
VMware vCenter Server Appliance 6.5.x
VMware vSphere ESXi 6.5
VMware vSAN 6.5.x


This is a known issue from Citrix and there is a fix released by Citrix CTX131239 . VMware recommends customers to contact Citrix for the fixed version to use with vSAN.