Checkmk Werk 10744: mssql_blocked_sessions: don't crash in clustered setup

ID: 10744 Title: mssql_blocked_sessions: don't crash in clustered setup Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 In a clustered setup the mssql_blocked_sessions check plugin crashed if an instance is moved from one node to another and one node reported blocked sessions while the other node did not. This is fixed.