I have seen where you also need to give your username account full right to a 
drive even if your account is in the group

Also look at Group Policy security trumps local security

-----Original Message-----
From: Michael Leone [mailto:[email protected]] 
Sent: Tuesday, January 24, 2012 2:57 PM
To: NT System Admin Issues
Subject: Virtual Disk Manager:Access is denied

Here's a weird one - Running Win 7 Pro x64. My domain account is in the local 
Admins group. I am having difficulty encrypting my D: drive with PGP Whole Disk 
Encryption; it tells me there's no valid volume.
Since I don't have anything on that volume I care about, I figure I will just 
delete the whole partition, and start over again.

Except that I can't. I can't format it (I get an unknown error, and nothing in 
the Event logs, except Event 1, VDS Basic Provider, which - according to MS - 
can be safely ignored. Dunno why I get that; I'm not using the Hyper-V that the 
KB talks about ...).
I can't delete the partition; I get "Virtual Disk Manager:Access is Denied".

If I boot with a UBCD4WIN CD, I can delete the partitiion, and re-create it 
fine. But booting back into Win 7 gives me the same error, so it can't be 
related to the actual disk partitioning; must be something in Windows. But I 
can't find out what.

I have no errors access drive D: - I can write to it, read from it, run 
programs from it, etc. All works as it should. I just can't figure out why I 
get the Access Denied message. I look at the security of the drive, and it 
seems right to me ("local PC\Administrators" has FULL access).

Any clues as to where to go next? There's no errors in the Event Log, and no 
errors accessing the drive ... except when I want to go delete the partition or 
format the drive ...

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