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2323470 - Error 6420 returned on first attempt to connect, subsequent connections succeed

Symptom

  • When connecting to Advantage Database Server (ADS) the first attempt fails with Error 6420:Unable to "discover" the Advantage Database Server
  • However consecutive attempts result in a successful connection. 
  • Using a COMMCALL trace you see that the discovery process is failing during first attempt.

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Environment

SAP Advantage Database Server 11.x

Product

SAP Advantage Database Server 11.1

Keywords

Sybase, ADS, IP, IPX, TCP/IP, UDP/IP, multicast, mailslot, COMMCALL trace, first try when connecting fails , KBA , BC-SYB-ADS , ADS (Advantage Database Server) , Problem

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