Problems of Port Configuration while upgrading from 4.0B to ERP 6

Hi all,
    We are upgrading a system from 4.0B to ERP 6. Will there will be any problems from port configuration side? If any please tell what they might be.
thankyou.

Hello,
We have upgraded from 4.6C to ECC6.0 and did not have any port config issues.
Things to look for:
  - RFC destinations, do they still work
  - directories used in File type ports, are they still there (they should be)
Hope this helps a bit
Regards
Greg Kern

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