Event ID 448 Source NTDS ISAM on 2011 SBS Server with 67 users

Hi Experts,
I have a 2011 SBS Server with approx 67 users.
Over the weekend, I added an additional 2008R2 server and promoted as a DC. This went without incident.

Today, I had a user attempt to login to her Exchange mailbox and it kept asking for her password. I checked Microsoft Exchange Management Console and when I checked her mailbox I got an error message:
Event ID:  NTDS (708) NTDSA: Data inconsistency detected in table datatable of database C:\Windows\ntds\ntds.dit (4662,6202).
Source NTDS ISAM

It has worked perfectly since Monday morning at 5:00 a.m. and people work around the clock in 3 shifts with about 171 people logging in and checking email on 67 workstations. No one has had an issue except this 1 user and it started this morning.

Ideas as to how to fix this?
DocomonAsked:
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Cris HannaCommented:
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DocomonAuthor Commented:
Actually, it is my Active Directory that is dirty. I am booting up in DSRM mode and attempting a repair of the AD. If that doesn't work, I'll do a System State Restore of the AD.

I'll post back what happens...
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DocomonAuthor Commented:
Active Directory repair fails with the following message:
"Operation terminated with error -1526( Jet_errLVCorrupted. Corruption encountered in long-value tree ).

Anyone have any ideas?
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Cris HannaCommented:
All of my searches point back to Exchange
My recommendation would be to open a case with Microsoft Support.  
But this article explains in great detail using ESEUTIL and ISINTEG utilities to determine the state of exchange and how to make repairs...again, if you feel any fear about performing these, you should contact MS support, or another support organization such as Third Tier.  http://msexchangeguru.com/2009/07/12/exchange-database-recovery-using-eseutil-commands/
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DocomonAuthor Commented:
I opened a case with Microsoft and got it fixed that way.
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