> # Synchronizing Supervisor Modules

> The running image is automatically synchronized in the standby supervisor module by the active supervisor module. The boot variables are synchronized during this process.

> The standby supervisor module automatically synchronizes its image with the running image on the active supervisor module.

> Note The image a supervisor module is booted up from cannot be deleted from bootflash. This is to ensure that the new standby supervisor module ia able to synchronize during the process.

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