Either tRFC or qRFC mechanism is affected and the message "User Switch Is Not Possible" is showed.
The SAP note 1740421 was already checked but this is not applicable for the SAP_BASIS release and Support Package level in use.
- Transactions SMQ1 or SMQ2: There are qRFC queues in SYSFAIL status, when you double click at the queue, the error text is "User Switch Is Not Possible".
- Transaction SM58: There are tRFC entries with error "User Switch Is Not Possible"
- Product / Release independent;
- Database independent;
- Middleware / RFC.
KBA , BC-MID-RFC-QT , Queued RFC (qRFC) and transactional RFC (tRFC) , BC-MID-RFC , RFC , Problem
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