Original article here.
You can make the server execute a script at shutdown time by using the Group Policy Editor, which is an MMC (Microsoft Management Console) snap-in. I will explain how to use the Group Policy Editor shortly, but first, we need to create the batch file that will shut down the Exchange services.
Originally from here Open Explorer and go to “C:\Program Files\Microsoft Windows Small Business Server\Backup” Make a copy of bkprunner.exe Download and extract XVI32. Run XVI32.exe Open bkprunner.exe in XVI32 The address range $10F0-$11B7 is used for backups to .bkf files The address range $11B8-$1277 is used for backups to tape To turn off verify when