Error On Importing PDA device

I get the following error. Have looked & found TID 10089513
it says to Upgrade to eDirectory 8.5 or newer.
but have installed zfh5.1 onto a w2k box running
NDS/NT - NDS eDirectory v8.7[DS]

can anyone help ?
regards johnc


Error: HHLD-128 Handheld Device Message Handler (1 of 2)

Monday, 15 March 2004 7:02:52 p.m.
An error occurred registering a handheld device from proxy <3>,
device guid <50E58170-5C3F-4391-B0A2-3EA25E3FD8D7>, device type
<2>, username <John Cassidy>, serial number <>.

Error: DIR-2 Directory Message (2 of 2)
Monday, 15 March 2004 7:02:52 p.m.
The error <Insufficient access> (<50>) occurred creating
<cn=John
Cassidy-JJCassidy-K00105,ou=PDA,ou=Policies,ou=Resource,o=CHCH>.