SYNCHRONIZE FAIL PDA AFTER JOIN TO DOMAIN

[GEORGE FRANTZ]

I HAVE PDA QTEC 2020i WITH WINDOWS MOBILE2003 SECOND EDITION VER 4.21.1088
AND A PC WITH WINDOWS XP PRO SP2 AND OFFICE XP PROFESSIONAL.
THE OUTLOOK SYNCHRONIZE VERY WELL AND I HAVE NOT ANY PROBLEM.(USB CONNECTION)

WHEN I CONNECT THE PC TO DOMAIN IN SBS2003 PREMIUM SP1 (WITH ISA 2004 ) I
HAVE PROBLEM.
THE CHANGE IS THE NAME OFF PC AND THE USERNAME (IS ADMINISTRATOR TO LOCAL PC)
I CANNOT SYNCHRONIZE TO PC (BUT I CAN SYNCHRONIZE WITH THE SERVER)
THE STATUS MESSAGE IS: ATTENTION REQUIRE
THE RESULT ITEM: TURN OFF AND ON THE PDA

I HAVE TRIED UNINSTALLING ACT SYNCH AND INSTALL AGAIN, INSTALL OFFICE 2003
AND ACT SYNCH 3.8, FORMAT THE PDA AND NOTHING.

I MAKE NEW USER TO LOCAL PC AND THE SYNCHRONIZE WORK BUT IF I LOGON AS
DOMAIN USER THE SYNCHRONIZE WHIT PC FAILED

HELP PLEASE