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User accounts can  not login after successful AD restore

Posted on 2008-06-24
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Last Modified: 2011-10-19
Hi To All, im happy that i could now perform DRP of AD and Exchange 2003:)

But after i closed my previous post regarding AD+exchange DRP with the help of one Expert, Fishdar (thank you friend!), i noticed that even i restored AD and was able login to client OS with the client user account, when i checked the ip address of the client machine i got 169.x.x.x ip address! (but i was able to login)- please see Error1.jpg attached snapshot file. Why the user account can log in even the machine has 169.x.x.x ip adrs?

Secondly, i noticed that the DHCP is not restored (probably this answered the question why the client machine got 169.x.x.x ip, but user account can login with this ip:(... ) so thats why restored the DHCP Db on my server and login to client machine locally with local admin account then release/renew the IP address, ok. i got 192.168.100.20 (first ip on my dhcp scope range), with this, i was able to launched nslookup with positive result! it can resolved my DNS server. please see Snap3.jpg-- After i got the new IP addrs, i logoff with the local admin account and login with domain user account- result- Failed, please see "Error4.jpg user login after ip renew"

Note: Domain admin account cannot able to login on my first statement with 169.x.x.x and also on my second statement with valid ip address on my dhcp range. please see error2.jpg

why? why? why? please i need your ideas on this.

Thank you.
-charles






error1.JPG
error2.JPG
Error4-user-login-after-ip-renew.JPG
Snap3-after-ip-addr-release-and-.JPG
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Question by:charles_lawrence
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kanalQko earned 250 total points
ID: 21855730
at first, you had to perform authothive AD restore >>
http://support.microsoft.com/kb/241594
then you have to restore DHCP database and initialize it
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by:charles_lawrence
ID: 21863599
whew!! still cannot get it!

this is what i have:
- full backup of main server(mainAD) thru NTbackup (FullBackupMainAD.bkf)
- virtual machine Restore server (DRserver), has the following:
            -no AD/ diff server hostname/ no ip config
            -same OS/service pack version as mainAD
            -same logical/partition size and as mainAD

this is what i did as AD DRP procedure as per the given link http://support.microsoft.com/kb/241594
1. reboot the virtual server DRserver in directory restore mode by pressing F8 during boot
2. Restore system state backup using NTbackup
3. Run NTDSUTIL after AD restored to make it authoritative restore.

Result:

Could not initialize the Jet Engine: Jet Warning 1

Authoritative Restore failed.
Error 8000ffff parsing input - illegal syntax?


- To address the issue in NTDSUTIL, I restart the DRserver after the AD restored
- then launched the NTDSUTIL command. successful!
- restore DHCP dB, ok. stop/restart DHCP services.ok
- i restart the DRserver, and also restart the virtual client OS (xppro)
- login to xppro machine with local administrator account, ap address release/ renew. ok. i got 192.168.100.20
- login to domain admin account! NO GO! the same error message, see Error4 snapshot
- login to domain user account, NO GO! the same error message, see Error4 snapshot


Please advise, any ideas is very much appreacited.

Thank you.
-charles




Error4-user-login-after-ip-renew.JPG
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by:charles_lawrence
ID: 21872049
Any response??
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by:charles_lawrence
ID: 21893301
whew!! Got it! i build dedicate Virtual Lab on this with single DC and clients then simulate DC restoration, result successful!...  and now!:) to whom ill give the points! Hi KanalOko, AFAIK, authoritative restore will come to the picture when i only have numerous DC on my environment and will decide if dB on the restore DC will be the authoritative for replication, but nevertheless, you response on my post, points for you! you gave the me the idea
and topic to look in to "authoritative restore".. Thank you!

-charles

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Expert Comment

by:kanalQko
ID: 21897033
your welcome ;)
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