Hello all need some help...

I am at a new site that runs 8.1.6 on Solaris. I get this error while trying to connect as internal to shutdown the database in svrmgrl it actually ask me for a password. I have never experience this error before please help me. I need to be able to connect as internal....

$ ./bin/svrmgrl

Oracle Server Manager Release 3.1.6.0.0 - Production

Copyright (c) 1997, 1999, Oracle Corporation. All Rights Reserved.

Oracle8i Enterprise Edition Release 8.1.6.0.0 - Production
With the Partitioning option
JServer Release 8.1.6.0.0 - Production

SVRMGR> connect internal
Password:
ORA-01031: insufficient privileges
SVRMGR>