J2EE engine doesn't start - Plz help me on this

Dear All ,

I tried all the ways to login to Visual Administrator.

I also used emergency user ID but it too falied.

I then tried to add another usr to direct dispatcher method and gave the port 8101 instead of 50004.It logged upto 95% and gave "could not open connection host"

if connected through look up connection

"msgserver/text/logon returned empty list of parameters" or user authentication failed</b>.I tried all ways but failed.Please help me in this pretext by giving a solution other than reinstallation of Netweaver.

I am Using NetWeaver`04 SP14

Thanking you in advance.

Regards

Prabhat