[THIN] Re: OT: Sysvol share recreating
- From: Robert Barrett <RobertB@xxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Thu, 1 May 2003 11:19:26 -0600
We had the same issue on a couple of our DC's after installing DNS. Our
solution (found this in TechNet somewhere) was:
The directories end up being down one level further than they should be.
They have to be moved back to where they belong and then the following key
edited in the registry.
HKLM\System\CurrentControlSet\Services\Netlogon\Parameters
Sysvol ready change from 0 to 1
Restart the server.
-----Original Message-----
From: Erik Blom [mailto:erik.blom@xxxxxxxxxx]
Sent: Thursday, May 01, 2003 6:08 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: OT: Sysvol share recreating
Rob:
I found this on technet: (search on "Active Directory Disaster Recovery")
********
Non-Authoritative Restore
Active Directory
Non-authoritative restore is the default method for the restoration of
Active Directory, and it will be used for the majority of restore
operations. Using this method, settings and entries that existed in the
domain, schema, configuration, and optionally the global catalog naming
contexts maintain the version number they had at the time of backup.
After a non-authoritative restore, the DC is updated using normal
replication techniques. That is if the version number of an attribute is
less than the version number of the same attribute stored in its replication
partners database (indicating the object has changed since it was last
backed up). The object on the restored server will be updated with the
changes that were made to that object since the time of the last backup.
This ensures an up-to-date version of the database.
SYSVOL
By restoring the SYSVOL non-authoritatively, the local copy that is held on
the restored DC will be compared with that of its replication partners
(using MD5 Checksums). Once the DC reboots, it will contact its replication
partner(s), compare SYSVOL information, and replicate the necessary changes,
bringing it up to date with the other DCs within the domain.
This method should be used when there is at least one other functioning DC
in the domain. This is the default SYSVOL restoration method and will occur
automatically if a non-authoritative restore of the Active Directory is
carried out.
If there is no other functioning DC in the domain, a PRIMARY restore of the
SYSVOL should be done. A primary restore builds a new ntfrs (Windows NT File
Replication Service) database by loading the data present under SYSVOL on
the local DC. This method is the same as non-authoritative except that the
SYSVOL should be marked PRIMARY.
********
------------------------
thin@xxxxxxxxxxxxx wrote:
------------------------
>Hi,
>
>Short off topic question....
>
>Debugging a customer issue with DC replications.....I noticed that on
>one DC the SYSVOL and NETLOGON shares where missing. Checking closer,
>the sysvol folder isn't shared, the folder underneath are gone.
>
>Is there any way beside DCpromo twice to recover it between two cups of
>coffee?' The've got two other DC's with valid info
>
>thanks for any help
>
>grx
>Rob
>
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