On Windows

First back up your database as follows http://kb.acronis.com/content/39718 

Once the backup is complete:

1. Do the following:
   • Click on Catalogs in the MySQL Administrator
   • Select mtdatabase in the Schemata window on the left
   • Click the Maintenance button
   • Select Repair Tables option
   • Select Use FRM options
   • Click the Repair Tables button
2. Redo the backup
3. Restart MassTransit.

On Mac

First back up your database as follows https://kb.acronis.com/content/39719

Once the backup is complete:

1. Do the following:
   • Click on Catalogs in the MySQL Administrator
   • Select mtdatabase in the Schemata window on the left
   • One by one, highlight a table
   • Click Table Actions at the bottom
   • Select Repair Table
   • Select Use FRM
2. Make another backup
3. Restart MassTransit.