Troubleshooting
Problem
Unable to establish a native client connection to SQL Server. Native Client has been installed properly but the connection still fails
Symptom
QE-DEF-0285 The logon failed
QE-DEF-0323 The DSN(ODBC)/ServiceName is invalid. Either the DSN is missing or the host is inaccessible.
RQP-DEF-0068 Unable to connect to at least one database during a multi-database attach to 1 database(s) in : testDataSourceConnection
QE-DEF-0323 The DSN(ODBC)/ServiceName is invalid. Either the DSN is missing or the host is inaccessible.
RQP-DEF-0068 Unable to connect to at least one database during a multi-database attach to 1 database(s) in : testDataSourceConnection
Document Location
Worldwide
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Document Information
Modified date:
14 January 2026
UID
ibm16485249