Why is the DHCP configuration lost on an AR after a while

If Auto-Config is enabled, the AR will periodically clear all DHCP configurations, causing DHCP configuration loss. To solve the problem, perform the following steps:
1. Run the undo autoconfig enable command on the AR to disable Auto-Config.
2. Wait for 4 or 5 minutes and run the display autoconfig-status command to check the Auto-Config status. If the value of Running is NO, the Auto-Config function has been disabled.
3. Perform the configuration and run the save command.

Other related questions:
Will the configuration of an AR router be lost after the SRU is replaced
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