The Microsoft Service for Distributed Relational Database Architecture (DRDA) logs an Event 1011 error message when a connection attempt to a server that is running Microsoft SQL Server fails. The Event 1011 message includes the following details:
Event ID: 1011However, the event description does not include any details about error messages by SQL Server when the connection attempt fails.
Event Type: Error
Event Category: Connection
Event Description:
The Microsoft Service for DRDA cannot connect to SQL Server. Verify the connectionString value in the MsDrdaService.exe.config application configuration file.