Outlook 2010 Cached Mode Greyed Out

We have an ADMIN install setup and originally it was configured with an Admin.MSP file to disable Cached Mode. I believe this is where the problem is coming in.

I'm trying to turn cache mode on, but it's greyed out.

I've updated the Group Policy to allow everyone to change the cache mode to on or off.

I've even gone as far as making registry edits that I found on google. One being in the following location: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\dde8d87e8e2f31469579e0aceaef7bc1

It states to change the key 00036601. When I do, as soon as I load outlook it always resets it back to 04 10 00 00

I've also looked for the NoOST option with no success - doesn't seem to exist with outlook 2010.

Anyone have any idea's on how I can get Cache mode turned on?

At this point, I'm very close to just formatting and installing Office 2010 WITHOUT the Admin file. By the way, I've updated the Admin file so it no longer disabled cache mode - it leaves it off, but lets the user change it (which is what we want now).

How can I turn cache mode on after all of the above has failed? Thanks!
HospiceChesapeakeAsked:
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TasmantCommented:
have you looked on this key instead to see if a value is present ?
HKEY_CURRENT_USER\Software\Policies\\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\dde8d87e8e2f31469579e0aceaef7bc1
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HospiceChesapeakeAuthor Commented:
I actually did a Find, and only found the key in place, which was the place I listed. I can change the value, but it just gets set right back as soon as Outlook opens.
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HospiceChesapeakeAuthor Commented:
Anyone have any hints on this? I cannot figure out how to 'ungrey' Cached mode no matter what I do. I've done GPO, I've done Admin Install, I've done registry settings... nothing seems to work. The only thing I can think of is a fresh install of Windows with an Admin install that specifically allows the cached mode to be changed on or off...

Anyone have any ideas on this??
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