If you are still using Configuration Manager 2012, you can run the setup.exe from the installation media folder.
If you are using Current Branch, you should run the setup.exe from "your site backup folder\CD.Latest\SMSSETUP\BIN\X64"
Rest of those are just next next next, you can find other post about it , just use your favor search engine. use key word "SCCM recovery step by step". I personally recommended Nickolaj Andersen Recover a Site Database in ConfigMgr 2012 R2
Once again, I just wanna marked down the important notes:
- Hope you do find your backup folder, and there are newest backups in it. 🙂
- Go do something else when the recovery starts running, it might take an hour, you will have heart attack by watching it.
- Remember "The Post-recovery actions are now presented to you, and it’s recommended that you take those actions", just like what Nick said.
Install the missing updates, hotfix.
Input back those service account password in the Admin Console.
Restart your server after recovery is done. 😀