Multiple logons required when using STRPCO w/STRPCCMD to run RTOPCB for file transfer

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HELP!!!!!  I have searched the archives, but I have not found the answer to 
this question....

What I want to accomplish is simple.  There are several users who need to 
download data from several AS/400 files using Client Access file transfer, so I 
created a CL program and put it on a menu so that they can run it upon demand.  
I also know that I can run it once on my terminal and copy the PC files to a 
folder on the network or set up the file transfer definitions to write the data 
to a network folder where they can copy them to their systems.

The simple program below  was created to test this concept by running Client 
Access file transfers via the STRPCO / STRPCCMD commands.  Here is the sample 
code:

             PGM

             STRPCO
             MONMSG     MSGID(CPF0000)

             STRPCCMD   PCCMD('RTOPCB C:\DOWNLOADS\CSPEC1.DTF')
             STRPCCMD   PCCMD('RTOPCB C:\DOWNLOADS\CSPEC2.DTF')
             STRPCCMD   PCCMD('RTOPCB C:\DOWNLOADS\CSPEC3.DTF')
             STRPCCMD   PCCMD('RTOPCB C:\DOWNLOADS\CSPEC4.DTF')

             ENDPGM



Here is the technical question:  Each time that the RTOPCB command is executed 
in the CL program, a signon window pops up and I have to log on again.  Is 
there a way around this?

I seem to remember back in the "Old Days" of AS/400 PC Support, when you had to 
start the router before starting any sessions, that this was not necessary 
since the router maintained a connection with the AS/400 that persisted until 
you ended the router.  Back then, you entered a user id & password once, when 
you started the router.

Thanks in Advance...