In this blog we will be learning the steps on how to recover Exchange Server 2010 if the Server Object is missing from Active Directory.
The steps described in this article would benefit small business customers with 50-100 user mailboxes. Single Exchange Server and Single Active Directory Domain.
Valid Active Directory System State Backup
Working knowledge on Active Directory and Its Backup
Directory Service Restore Mode Password
Good Understanding of Authoritative and Non-Authoritative Restore Terminology
Single Exchange Server 2010 SP3
Single Active Directory Domain
Recovery will succeed only if the following conditions are met
1) Valid Active Directory Backup Exists and it was fully tested.
2) Configuration Objects for Exchange Server has been deleted accidently using ADSIEDIT.
2) Exchange Server is intact without any changes (Member Server).
3) Exchange Services are up.
4) Valid Exchange Database Copy as a precautionary step.
Figure 4: Services
In figure 4 one of the key important service for client connectivity “Microsoft Exchange Address Book” Service is stopped. When you try to start it will fail. Although other services are up and running. Some serious issues from Active Directory end.
Looking at the above error. It is obvious that some deletions has took place from Active Directory End. Lets see how to get the server back.
Please Note : The scenario is for Single Site with Single Exchange Server and Active Directory.
For restoring the backup I have used Windows Server Backup Feature.
The account must be a member of Domain Admins and Enterprise Admin
The server will reboot automatically. Please follow instructions for logging in as shown in figure 10 above.
Now that the restore is completed time to login to the DC in normal mode. Please follow instructions to disable Safe Boot mode as shown in figure 7 and 8. The system will be rebooted. Post which login with Domain Admin Credentials.
Post logging in. Open ADSI Edit.msc tool as shown below.
Conclusion: System State backup plays an Important role. It is very important to perform a thorough check on System State Backup of a DC on a regular interval.
I hope it was helpful. Do share your thoughts or any comments and we will be more than glad to respond.