Hi ,I am getting the following error,Increased the no. of processes too but of no use still getting the same error,so is there anything i need to check for.

ORA-12516: TNS:listener could not find available handler with matching protocol stack.

lsnrctl services output is.

p.com)(Port=1525)))
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "HHxx" has 2 instance(s).
Instance "HHxxD1", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
REMOTE SERVER
(DESCRIPTION=(SDU=32768)(ADDRESS=(PROTOCOL=TCP)(Host=xxx.xx.com)(Port=1525)))
Instance "HHxxxx2", status READY/SECONDARY, has 2 handler(s) for this service.
..
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
REMOTE SERVER
(DESCRIPTION=(SDU=32768)(ADDRESS=(PROTOCOL=TCP)(Host=xxxx.xx.com)(Port=1525)))


lsnrctl services HHxxx2

LSNRCTL for HPUX: Version 10.2.0.2.0 - Production on 13-SEP-2007 19:46:41

Copyright (c) 1991, 2005, Oracle. All rights reserved.

Connecting to (DESCRIPTION=(SDU=32768)(ADDRESS=(PROTOCOL=TCP)(Host=xxx.xx.com)(Port=1525))(CONNECT_DATA=(SERVICE_N AME=HHxxx)(INSTANCE_NAME=HHxxx2)))
TNS-01189: The listener could not authenticate the user

Any help you would great.