Solutions for forgetting the VSS Administrator password

If you forget the VSS Administrator password, open the folder where the VSS database is located, open the Data directory, locate the Um.dat file, open edit it with the hex editor, change the value from 55 55 of offset 80 to the way described in the following article, and then Save, So the Um.dat file is back to the initial state, then open VSS Admin, login with Admin user, no need password.

0:80 BC 7f 6d 00 00 00 00 00 00 00
0:90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0:A0 6e A8 01 00 00 00 00 00 00