dcom error

DCOM error ID:10006 and ID:10009

yesterday, i went to SHENDING co.ltd to maintain their server.find a 2000server error, so many error event note fill the SYSTEM NOTE. the server will be dead when the note is full of SN.it is so terrible, and i get the tip about it :DCOM error event ID:10006,ID:10009,try to apply server failed,non-registed. then i search related info. on web,but :( i havent find a solution......