Unexpected protocol character during authentication

=========================================== START OF ERROR MESSAGE
======================================
conn=59783184, PGAPI_DriverConnect(
in)='DRIVER={PostgreSQL};UID=jmd;PWD=;SERVER=localhost;PORT=8889;DATABASE=te
mplate1;READONLY=0;PROTOCOL=6.4;FAKEOIDINDEX=0;SHOWOIDCOLUMN=0;ROWVERSIONING
=0;SHOWSYSTEMTABLES=0;CONNSETTINGS=;FETCH=100;SOCKET=4096;UNKNOWNSIZES=0;MAX
VARCHARSIZE=254;MAXLONGVARCHARSIZE=65536;OPTIMIZER=1;KSQO=1;USEDECLAREFETCH=
0;TEXTASLONGVARCHAR=1;UNKNOWNSASLONGVARCHAR=0;BOOLSASCHAR=1;PARSE=0;CANCELAS
FREESTMT=0;EXTRASYSTABLEPREFIXES=dd_;COMMLOG=0;DEBUG=0;',
fDriverCompletion=0
Global Options: Version='07.03.0100', fetch=100, socket=4096,
unknown_sizes=0, max_varchar_size=0, max_longvarchar_size=0               disable_optimizer=0, ksqo=0, unique_index=0,
use_declarefetch=0               text_as_longvarchar=0, unknowns_as_longvarchar=0,
bools_as_char=0 NAMEDATALEN=64               extra_systable_prefixes='', conn_settings=''
conn_encoding='OTHER'
CONN ERROR: func=PGAPI_DriverConnect, desc='Error from CC_Connect',
errnum=210, errmsg='Unexpected protocol character during authentication'
=========================================== END OF ERROR MESSAGE
====================================== 
I am running Linux V9 on the server with postgres V7.3. The client side is
W2K professional, with the most current
patches.
Can anyone offer any ideas on what causes this? It works fine on my Linux
V7.2 machine with postgres V7.1 ?


Jim Doherty
An IRISH Proverb
"There is no success without discipline"
Phil 3: 13 - 15 ("Press On")

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