The windows search service is unable to index some conversations. The alarm should identify some of the conversations that are affected however because of limitations to the alarming system, there could be other conversations in this state that aren't listed.
Major
These messages will not be routed.
Go to the Indexing Options > Indexing Options -> Advanced Options -> File Types -> File Extension and change the option to not index file content
OR
Either of these steps will cause windows to completely reindex which can be a time consuming process. Ideally this should be done after hours. Once this is done, the conversations should send out correctly.
7.1