ACTIVE DIRECTORY

on one of my windows 2012 server

I am getting below error

NTDS (648) NTDSA: A bad page link (error -327) has been detected in a B-Tree (ObjectId: 174, PgnoRoot: 655) of database D:\windows\NTDS\ntds.dit (407594 => 22348, 359484).

EVENT ID:447

how to rectify this
pramod1Asked:
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Scott CSenior EngineerCommented:
Take a look here:

http://www.urtech.ca/2011/05/solved-cannot-view-or-make-changes-in-active-directory-because-an-internal-error-occured-467-database-corrupt/

It's very close to what you are having.

Either restore from backup or try to repair.
pramod1Author Commented:
error is : 447
Scott CSenior EngineerCommented:
That's why I said it was close and not exact.

Hopefully the above will help you in the right direction.
bas2754Commented:
Follow the directions on that page and it is your best bet to try to recover if you do not have a backup.  If you have more than one domain controller you may be able to remove this controller from the domain and add it back.  If it is the only controller then a restore or rebuild are your only options.

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