1、下载工具ultraedit
2、登录到服务器，找到VSS库文件夹，data\um.dat
3、复制到自己桌面，用ultraedit打开，进入
引用内容
00000080h: 55 55 03 29 41 64 6D 69 6E 00 00 00 00 00 00 00
00000090h: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000a0h: 00 00 00 00 56 6B 00 00 A8 01 00 00 00 00 00 00
替换为：
引用内容
00000080h: 55 55 BC 7F 41 64 6D 69 6E 00 00 00 00 00 00 00
00000090h: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
000000a0h: 00 00 00 00 90 6E 00 00 A8 01 00 00 00 00 00 00
只能手动敲，然后再把该文件替换到服务器的文档库文件夹内即可。
VSS2005清除管理员密码
原文：http://www.cnblogs.com/wdw31210/p/6305874.html
