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SnapCenter fails to enumerate disks when disk.EnableUUID is disabled or missing

Last Updated:

Applies to

  • SnapCenter Server (SC) all versions
  • SnapCenter Plug-In for Windows (SCW) all versions
  • SnapCenter Plug-in for VMware vSphere (SCV) all versions
  • VMware vCenter all versions


  • SnapCenter fails to enumerate disks due to error: 

Unable to get storage details for VMDK. 
UUID is not set for VMDK, check if disk.EnableUUID is set for the virtual machine

  • Some errors can be found in SMCore_<JobID>.log or SnapManagerWeb.log


ERROR SMCore_336 PID=[6552] TID=[32] Unable to get storage details for VMDK.
UUID is not set for VMDK, check if disk.EnableUUID is set for the virtual machine
ERROR SMCore_336 PID=[6552] TID=[32] ErrorCode (-1), ErrorMessage (Unable to get storage details for VMDK. 
UUID is not set for VMDK, check if disk.EnableUUID is set for the virtual machine)
DEBUG SMCore_336 PID=[6552] TID=[32] DiscoverVirtualResources - Exit
DEBUG SMCore_336 PID=[6552] TID=[32] UpdateStorageFootprint - Enter
ERROR SMCore_336 PID=[6552] TID=[32] Invalid response object


DEBUG SnapManagerWeb_486725 PID=[13496] TID=[86] Response Data: ****************************
_message Storage discovery failed, received error during operation: java.lang.ArrayIndexOutOfBoundsException. 
Please refer to operation logs for more details.
WARN SnapManagerWeb_486725 PID=[13496] TID=[100] Storage file system <MountPoint> is NOT associated with Windows filesystem resource.


Verbose SDW PID=[2168] TID=[2604] INFO: StorageSystem manager does not have any registered storage system connections!
Verbose SDW PID=[2168] TID=[2604] ++CifsServerCache::Initialize
Verbose SDW PID=[2168] TID=[2604] No vserver is passed in.


DEBUG SnapManagerWeb_486726 PID=[13496] TID=[47] Getting nsm object for resource <VMDK_MountPoint_Folder>
INFO SnapManagerWeb_486726 PID=[13496] TID=[47] StorageFileSystem count: 0
DEBUG SnapManagerWeb_486726 PID=[13496] TID=[47] Could not find resource's StorageFileSystem.

  • Mounted disk gets offlined with message "The disk is offline because it has a signature collision with another disk that is online"


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