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).


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

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.
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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