Networking Tips Tricks

Perform the following procedure to restore SYSVOL authoritatively. Requirements Credentials: local Administrator or Domain Admins Tool: N/A To restore SYSVOL from an alternate location 1.        If still in Directory Services Restore Mode, restart in normal mode. 2.        Once the system has been rebooted and   after   the SYSVOL share is published (it may take a few minutes before the SYSVOL share and its sub-folders appear on the domain controller), copy the required files and folders from the SYSVOL directory that was copied to the alternate location to the original location. By doing this, the files that were overwritten are replicated out to the other domain controllers, so that the SYSVOL is the same as that which was present at the time of backup. Example: restoring SYSVOL from alternate location The following example shows how to copy the SYSVOL from the alternate location to the original location. Depending ...

This step restores the entire Active Directory, and marks it as authoritative for the enterprise. Requirements ·          Credentials: local Administrator ·          Tool: Ntdsutil.exe To perform authoritative restore of the entire directory 1.        Open a command prompt and type   ntdsutil   and then press ENTER. 2.        At the   ntdsutil:   prompt, type   authoritative restore   and then press ENTER. 3.        At the   ntdsutil authoritative restore:   prompt, type   restore database   and press ENTER. 4.        At the   Authoritative Restore Confirmation   dialog box, click   OK . 5.        Type   quit   and press ENTER until you have exited Ntdsutil.exe. 6.    ...

If you are authoritatively restoring only a portion of the directory, not the entire directory, it is not necessary to perform this step. However, if the subtree or object that was authoritatively restored contained elements from the SYSVOL, such as a Group Policy object, you should also restore that portion of the SYSVOL authoritatively. Requirements Credentials: local Administrator or Domain Admins Tool: N/A To restore applicable portion of SYSVOL from alternate location if necessary 1.        If still in Directory Services Restore Mode, restart in normal mode. 2.        After the system restarts and   after   the SYSVOL share is published (it can take a few minutes before the SYSVOL share and its sub-folders appear on the domain controller), copy the required files and folders from the SYSVOL directory that was copied to the alternate location to the original location. By doing this, the files that were overwritten...

This step marks the subtree or leaf object you restored as authoritative for the directory. Requirements ·          Credentials: local Administrator ·          Tool: Ntdsutil.exe To perform authoritative restore of a subtree or leaf object 1.        Open a command prompt and type   ntdsutil   and then press ENTER. 2.        At the   ntdsutil:   prompt, type   authoritative restore   and then press ENTER. 3.        At the   ntdsutil authoritative restore:   prompt, type: 4.   Restore Subtree OU=ouname,DC=domain,DC=domainroot For example, if the administrator has inadvertently deleted the Marketing organizational unit in the domain called contoso.com, type: Restore Subtree OU=Marketing,DC=Contoso,DC=COM 5.        At the   Authoritative Restore...

Perform this procedure to allow an authoritative restore of SYSVOL. After the objects are restored, you can delete the files in the alternate location. Requirements ·          Credentials: local Administrator ·          Tool: NTBackup.exe To restore system state to an alternate location 1.        Click the   Restore   tab. 2.        Select   SystemState . (You need not restore the system disk to an alternate location.) 3.        Ensure that   Alternate Location   is selected in the   Restore Files to   drop-down list box and designate the alternate location. 4.        When the restore process is finished, close the backup utility. Ref: http://technet.microsoft.com/en-us/library/bb727062.aspx

After the restore is completed, you can either restart the server in normal operation mode and perform basic verification, or continue with the advanced verification. The advanced option is not usually required, and should be used with caution, as incorrect use of the ntdsutil utility can corrupt the Active Directory database. Both processes are explained below. Requirements ·          You must log on at the local computer, or you must enable Terminal Services in Remote Administration mode on the remote domain controller. ·          Credentials: ·          Basic: Domain Admins or local Administrator ·          Advanced: local Administrator ·          Tool: NTBackup.exe To perform basic Active Directory verification 1.        After the restore operation complete...

The procedure you use to restore from backup media for an authoritative restore is nearly identical to the non-authoritative restore procedure. The only difference is that you do not restart the computer when the restore is complete. Instead, you proceed to the next steps in the process. Requirements To restore System State, you must log on at the local computer, or you must enable Terminal Services in Remote Administration mode on the remote domain controller. Credentials: local Administrator Tool: NTBackup.exe To restore from backup media for authoritative restore 1.        In Directory Services Restore Mode, start the Windows 2000 Server Backup utility. Click   Start , point to   Programs , then point to   Accessories , then point to   System Tools , and then click   Backup . 2.        Click the   Restore Wizard   button, and then click   Next . 3.     ...

Use a good backup containing at least the system state and system disk to restore the server. By performing a non-authoritative restore on Active Directory, you automatically perform a non-authoritative restore of SYSVOL. No additional steps are required. Requirements To restore System State, you must log on at the local computer, or you must enable Terminal Services in Remote Administration mode on the remote domain controller. Credentials: local Administrator Tool: NTBackup.exe To restore from backup media 1.        In Directory Services Restore Mode, start the Windows 2000 Server Backup utility. Click   Start , point to   Programs , then point to   Accessories , then point to   System Tools , and then click   Backup . 2.        Click the   Restore Wizard   button, and then click   Next . 3.        Select the appropriate backup location and ensure...

Back Up System State and the System Disk on a Domain Controller The following procedure backs up both system state and the system disk. Requirements To back up system state, you must log on at the local computer, or you must enable Terminal Services in Remote Administration mode on the remote domain controller. Credentials: Domain Admins, local Administrator, or Backup Operator. Tool: NTBackup.exe To back up system state and the system disk on a domain controller 1.        Log on to the domain controller by using an account that has Domain Admins, local Administrator, or Backup Operator credentials. 2.        Start the Windows NT Backup Wizard by choosing one of the following options: o     Open a command prompt, type   ntbackup   and press ENTER. o     Click   Start , point to   Programs , then point to   Accessories , then point to   System Tools , and...