Exchange Server Mailbox Store won't mount

I have Exchange 2003 Standard with SP2.  I am unable to Mount the Mailbox Store because I mistakenly changed the permissions on the Security tab and added a "Deny" statement for "Authenticated Users".  I can still get into the perms of the Mailbox Store but it won't accept any changes to fix the problem.  When I say OK I get an error message as follows:

Access Denied
Facility: LDAP Provider
ID No: 80070005
Exchange System Manager

Currently the system is still functioning without the mailbox store mounted.  I have NOT rebooted the server for fear that Exchange won't function.
KirchtoeAsked:
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KirchtoeConnect With a Mentor Author Commented:
Wonko,

I'm not sure what you mean when you say find the object in ADSIEdit.  Please explain
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Wonko_the_SaneConnect With a Mentor Commented:
Can you find the object in ADSIEdit and remove the Deny permissions there? If you can't try to take ownership first.
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rakeshmiglaniCommented:
http://support.microsoft.com/kb/300444
the above article talks about e2k and public folder store but the dsacls command works for the mailbox store as well
just change the path.
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KirchtoeAuthor Commented:
rakeshmiqlani
I have seen this article before and have tried it and always get an error that my syntax is wrong.  I'll keep trying.
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