An error occurs after the failover of a Distributed Availability Group (AG) that attempts to connect to the secondary AG listener with application intent set to READ ONLY. Here are the possible error messages: 1. Sqlcmd: Error: Microsoft ODBC Driver 11 for SQL Server: Protocol error in TDS stream 2. Invalid routing information received.

Affected Versions Disclaimer

The included affected builds are considered potentially affected, based on their release chronology relative to the identified fix.