SLES10.2 ZCM10.2.1 + registration.war

registration.war worked for a week. Now i'm getting the -34 errors again when i try to register a device in my ZCC.

Agent ver. 10.2.1(.1)
Unique GUID
previous machine is deleted from ZCC

commands on probelm machine:
zac cc
zac fsg -d
zac unr (machine not currently not registered to a zone.. blablablah)
del c:\pro* fi*\novell\*.sav
ZISWIN.exe clear image safe data .. save?Yes>>Reset Just Imaged Flag>>No


zac reg htt.......
error -34 again and again

Rebooted server.. no change..

....frustration here....