Enable remote DAC.
"C:\Program Files\Microsoft SQL Server\100\Tools\Binn\SQLCMD.EXE" -U username -P password -S serverName
"C:\Program Files\Microsoft SQL Server\110\Tools\Binn\SQLCMD.EXE" -U username -P password -S serverName
where username, password, and serverName are your user ID, password, and Microsoft SQL Server name.
1> sp_configure 'remote admin connections', 1 2> go
1> reconfigure 2> go
1> sp_configure 'remote admin connections' 2> go
name minimum maximum config_value run_value ------------------------- -------- -------- ------------ ----------- remote admin connections 0 1 1 1