sharepoint connect error!

GRUBBYFANS

navision version:4.0 sp3
sharepoint server sp2
sql2000

when I finish the sharepoint environment,the setting is down
my machine name is STEP-FF46E7CAE9

application server is STEP-FF46E7CAE9-calssic

server name:STEP-FF46E7CAE9
database name:database.fdb
company name:CRONUS International Ltd.
start up parameter :NEP-1
status :started

but run http://localhost add web part It has error is

Communication error (10114): No reply received from Back End System (Time Out).



when I open event view I see that error

Connection property BN_PublishRetryTime_0 has not been set!
Please make sure that you have properly installed Business Notification Server.


please help me