Problem in creating RFC modules in NetWeaver Developer Studio

Hi SDN,
Recently we have upgraded the portal server from EP6 SP9 to EP6 SP19. The applications which are getting data from the backend R/3 system are giving exception
 You are not authorized to logon to the target system. 
So we have now used the NWDS SP19. But we are not able to create the RFC modules as it is giving the same exception even in NWDS.
 How do I go about this???? 
regards
Brahmachaitanya C. Wajapey

Hi Bala,
The exception given is only that much.
When I try to create the RFC, a Dialog box pops up and the error given is

ERROR file opened at 20070516 111750 India Standard, SAP-REL 640,0,154 RFC-VER 3 864900 MT-SL
T:5512 Error in program 'javaw': ======> You are not authorized to logon to the target system.
T:5512 Error in program 'javaw': <* RfcReceive [2] : returns 3:RFC_SYS_EXCEPTION

Please help me out.
regards
Brahmachaitanya

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Best regards,
Nils Kloth

Hi Nils,
I think you must have selected the defualt checkbox (Try and uncheck that). Also uncheck the checkbox for "Yes, I want to remeber the password for deployment" if it is also selected. When you deploy the par file now enter the password and try to deploy. I think this will solve your problem.
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