Symptoms

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: 1011
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. However, the event description does not include any details about error messages by SQL Server when the connection attempt fails.

Resolution

Cumulative update information

The fix that resolves this problem is included in Cumulative Update 1 for Host Integration Server 2013.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

After this update is applied, the Event 1011 message that is logged by the Microsoft Service for DRDA includes additional details about the error that occurred when the connection to the server that is running SQL Server failed. The following is an example of the additional details that are included in the updated Event 1011 message:

Event ID: 1011
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. SqlException: Message Id=message_id; Severity Level=level; Message="message_string"

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