Rebuilding the master Database (Level 4)

From SQL Server Setup Help

SQL Server Setup Help

Rebuilding the master Database (Level 4)

SQL Server 6.x SQL Server 2000
Executing SQL Server Setup rebuilt the master database. No longer supported. SQL Server includes the Rebuild Master (rebuildm) utility.

Use the Rebuild Master (rebuildm) Utility located in the x:\Program Files\Microsoft SQL Server\80\Tools\Binn folder to rebuild the master database.