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I am setting up a restricted WMI group that should be able to read WMI information from my remote hosts.

I have the group set up as member of the remote DCOM and performance monitor groups. I also have the Execute, Enable and Remote Enable set in the WMI control interface.

The values I get if I run this from a full admin look like the following.

PS Get-WmiObject Win32_LogicalDisk -computername myhost

DeviceID     : M:
DriveType    : 3
ProviderName :
FreeSpace    : 2279043964928
Size         : 3790830256128
VolumeName   : Static Data

Run from the same server using the restricted account I'm getting the following:

DeviceID     : M:
DriveType    : 3
ProviderName : 
FreeSpace    : 
Size         : 
VolumeName   : 

My best guess is that there is an additional level of security I need to set but I don't have any idea where.


EDIT: Looks like this issue only crops up on 2003 hosts and then only on specific disks.

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Deleted my first answer since it didn't help. I'll post a better answer if I think of one. – Ryan Ries May 13 '13 at 20:10
Have you checked the ACL on the root of the drive? – Lucky Luke May 14 '13 at 19:41
@LuckyLuke - nope.. Good idea though. – Tim Brigham May 14 '13 at 19:49
@LuckyLuke - that did it! Make it into an answer and I'll accept it. – Tim Brigham May 14 '13 at 19:53
Glad I could help, will do that now. – Lucky Luke May 21 '13 at 18:59
up vote 2 down vote accepted

Check the ACL on the root of the drive, it's often overlooked and can cause issues like this. I have seen this a few times with our monitoring software - though we're not using WMI to query the drive stats.

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