SQL Server Azure SQL Database Azure SQL Data Warehouse THIS TOPIC APPLIES TO SQL Server. An Always On availability group is a predefined collection of SQL Server relational databases that failover together when conditions trigger a failover in any one. If a work process is running during SQL Server alwayson failover, the work process will get a short dump, saying the connection to DB fails. Looking at the trace file. Cnc Software Mach3 here. IBM Fix list for IBM Web. Sphere Application Server V7. Document information. More support for Web. Sphere Application Server. General. Software version. Operating systems. AIX, HP UX, IBM i, Linux, Solaris, Windows. Software edition. Base, Network Deployment. Art-19-8.JPG' alt='08S01 Microsoft Sql Native Client Communication Link Failure In Sql' title='08S01 Microsoft Sql Native Client Communication Link Failure In Sql' />Archived discussions are readonly. Learn more about SAP QA. MicrosoftSQL Server Native Client 10. Communication link failure. Rats Tourniquet'>Rats Tourniquet. My SAP client software. Hello Steve, Two questions 1 could you post the 1069 17052 errors 2 how is the cluster heartbeat configured maybe that is what the communication link failure.