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2690025 - A protocol mismatch occured ( Return code 4990 ) in BWA


A protocol mismatch occured ( Return code 4990 ) when trying to open BWA on OS level by or TREXAdmin.bat

'Error in the RFC communication: RFC destination :rfc:<RFCNAME> does not exist. (:rfc:<RFCNAME>)" when selecting RFC connection on TREXADMIN transaction



  • SAP_BASIS all releases
  • BWA all releases


SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5


protocol, mismatch, occured, Return code 4990, BWA, BIA, RFC, connection, error, host , KBA , BC-TRX-BIA , TREX BI Accelerator , BW-BEX-OT-BIA , BW Accelerator , BC-TRX , TREX , Problem

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