I came across a situation where I needed an AD Object undeleted. Googling through sites I came across this nifty utility called ADRestore.
Formerly Sysinternals and now Microsoft, Mark Russinovich has created a command-line freeware application called ADRestore. The tool enumerates all of the currently tombstoned objects in a domain and allows you to restore them selectively, and provides a convenient command-line interface for using the Active Directory reanimation functionality. If you run it from the command line you will be prompted to choose which object you want to restore, and since there could be quite a few tombstoned objects, this process might take some time as you answer NO to each and every prompt.
To add a little selectivity to the restore operation, you can run ADRestore with a parameter to narrow down the search. For example:
adrestore -r wasay
would search for all objects with “wasay” as part of its name.
The -r switch forces the program to prompt the user for each restoration. Otherwise, all the objects found matching said criteria will be automatically restored. The default (no criteria supplied) is that all tombstoned objects will be enumerated and restored.
Note that deleted items may no longer be members of specific organizational units or OUs. Restoring these objects from deleted status will not automatically restore them to their respective OUs; this will need to be done manually.