2138267 - "Still trying to connect to server..." repeating message - SRS

• The repserver log shows messages repeating every 2 minutes:

RSI: Trying to connect to 'downstream_rs'.
ERROR #1027 RSI(downstream_rs) - seful/cm.c(6030)
Open Client Client-Library error: Error: 84083972, Severity 5 -- 'ct_connect(): network packet layer: internal net library error: Net-Lib protocol driver call to connect two endpoints failed', Operating System error 111 -- 'Socket connect failed - errno 111 Connection refused'.
ERROR #13045 RSI(downstream_rs) - seful/cm.c(6035)
Failed to connect to server 'downstream_rs' as user 'downstream_rs_rsi'. See CT-Lib and/or server error messages for more information.
Trying to connect to server 'downstream_rs' as user 'downstream_rs_rsi' ......
Still trying to connect to server 'downstream_rs' as user 'downstream_rs_rsi' ......
Still trying to connect to server 'downstream_rs' as user 'downstream_rs_rsi' ......

• Replication Server "admin who" shows:

1> admin who
2> go
 Spid Name       State                Info                                                        
 ---- ---------- -------------------- ---------------------------
                       
   63 RSI          Sleeping                     downstream_rs                                               
   31 SQM        Awaiting Message     16777318:0 downstream_rs                                     
   10 dSUB      Active

• SAP Replication Server (SRS) 15.7
• SAP Replication Server (SRS) Real Time Loading 15.7
• SAP Replication Server (SRS) Heterogeneous Edition 15.7

defumct, de-commissioned , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , BC-SYB-REP-HET , Replication Server Heterogeneous Edition (RSHE) , BC-SYB-REP-RTL , Rep Server Real-Time Loading Edition (RTLE) , BC-SYB-REP-ME , Replication Server Messaging Edition (RSME) , Problem