hi
I'm too facing the same error
i'm running the below query from source server
INSERT INTO <source_tablename>
exec [destination server name].[master].[dbo].[xp_fixeddrives]
Msg 8501, Level 16, State 3, Line 1
MSDTC on server '<source server>' is unavailable.
I checked the linked server option and enable promotion of distribution transcation is true.
but still i'm getting error ..
please help me out in finding the solution.