Replication Fails With: Fatal Error: The Slave I/O Thread Stops Because Master and Slave Have Equal MySQL Server UUIDs; These UUIDs Must Be Different for Replication to Work; Error 1593

(Doc ID 1599321.1)

Last updated on FEBRUARY 02, 2017

Applies to:

MySQL Server - Version 5.6 and later
Information in this document applies to any platform.


When attempting to start replication, the following error occurs:



This issue will typically happen just after cloning a slave from the master, particularly when file system snapshots are used or the data directory has been copied using file system commands.


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