Does this "profile sharing" get around the TSO error "IKJ56425I LOGON rejected, 
UserId DVFJS already logged on to system XXXX"?



________________________________
 From: Thomas Conley <[email protected]>
To: [email protected] 
Sent: Thursday, August 14, 2014 2:13 PM
Subject: Re: Multiple TSO Sessions with the Same USERID in the Same LPAR
 

On 8/14/2014 3:33 PM, David Platt wrote:
> We are running z/OS 1.13 with ACF2 and plan on implementing z/OS V2R1 in the 
> 2nd Qtr of 2015.  We also have a few users that use RDz.  We have 
> successfully implemented the changes as described for Multiple TSO SIGNON on 
> the Same MAS or SYSPLEX, but on different LPARs.  We have chosen to allocate 
> unique TSO datasets to each LPAR and avoid sharing.  Several users have 
> multiple USER Ids, and we have been asked to eliminate the duplicate IDs per 
> user.  Several users are saying they need, at least, two TSO sessions per 
> LPAR.
>
> We are planning on installing z/OS V2R1 in the 2nd Qtr 2015.  We do have a 
> few users of RDz if this makes a difference.
>
> I'm looking for ways to implement multiple sessions, if there are any.
>
> Thanks
> David Platt
>
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David,

You should not allocate separate profile datasets, they should be 
shared.  Your requirement for multiple sessions on a single LPAR withe 
the same id can be satisfied with z/OSMF, which can open multiple ISPF 
windows on the same LPAR.  ISPF shared profile support is required for 
that feature.

Regards,
Tom Conley


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