XADM: Authrest.exe Fails with -1003

SYMPTOMS

When you are running the Authrest Utility, for example: "Authrest 1000 1000", where the first number is the <object version increment> and the second number is the <USN increment>, the following error message and information appear a few seconds after you enter the command:

   D:\exchsrvr\DSADATA>..\bin\authrest 1000 1000
   Doing authoritative restore, Object version increment = 1000
           Extra Usn increment = 1000
   Doing Recovery.
   Opening database
   Getting directory configuration
   Modifying records
   JetCommitTransaction returned -1003
   Closing database