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Symptom

When the RFC connection uses message server to do load balance, the following error is raised:

 

Error RFCIO_ERROR_SYSERROR in abrfcpic.c : 2827
LB: Hostname or service of the message server unknown
DEST =XXXXX
MSHOST =XXXXXXXX
R3NAME =XXX
GROUP =XXX ABAP Programm: xxxxxx (Transaction: )
User: XXXXX (Client: 001)
Destination: XXXXX (Handle: 2, DtConId: 00000000000000000000000000000000, DtConCnt: 0, ConvId: ,)
EPP RootContextId: 0050568D6568XXXXX187DCD15CBD4C09, ConnectionId: 00000000000000000000000000000000, ConnectionCnt: 0
EPP TransactionId: 2B3F04E5B1B2F1D78C0XXXXX568D6568 


Cause

The hostname or service name of message server cannot be resolved by operation system.  

 

Resolution

 

Please follow the notes below to resolve hostname or service name of message server:

52967   Hostname 'xx...x' unknown (or not found)

52959   sapms..., sapdp.., sapgw.. unknown (or not found)(check service port)

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