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Can Mobile Sales Client 4.0 Sync with CRM 7.0 Backend?

hello all,

we are planning an upgrade of our CRM system from 4.0 to 7.0. but the big question is after we upgrade the server, can our mobile users running mobile sales 4.0 still sync?

we will also be upgrading the mobile environment to the latest client (mobile sales 5.0), but we are not sure if as soon as we upgrade to CRM 7 that the mobile users will no longer be able to sync unless we first upgrade them to 5.0.

our main issue is downtime for the mobile users. hopefully we can upgrade the server to 7.0 and mobile client 4.0 users can still sync until we then follow-up with an upgrade of their client environment.

if you know the answer for this or have any experience doing this, please let me know.


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  • Best Answer
    Posted on Oct 05, 2009 at 03:42 PM

    Hello Mike,

    SAP does not support the Mobile Client and CRM server to be on different Support packages. So to connect to a CRM System on 5.0 the corresponding Mobile systems should also be on same 5.0. It's recommed that all related systems are also in the recommeded SP levels.



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    • Hi Mike,

      There is no document for best practices concerning this particular issue.

      You can have the CRM\Middleware on a higher patch level than the MSA clients, but you shouldn't have the MSA client on a higher patch level than the Middleware Server. Try to run Conntrans before doing the upgrade.

      So you will need to upgrade the server first and they need to clear the queue otherwise the old client BDocs may be rejected by the upgraded CRM if BDoc structure or table definitions change. But these BDoc structure changes

      could be minimised by regenerating the structures in the client console of the MSA clients.

      Don't allow Conntrans to be run during the upgrade.

      Regards, Gervase

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