Have a look, this is something the same problem encountered with these two cases, read these https://community.meraki.com/t5/Security-SD-WAN/MX-DHCP-leases-exhausted/m-p/71416#M17877 Another one https://community.meraki.com/t5/Security-SD-WAN/DHCP-Exhaustion-where-to-view-in-the-Meraki-Dashboard-and-how-to/td-p/60917 Releasing the IP address https://community.meraki.com/t5/Developers-APIs/Detecting-Lease-Exhaustion-and-Freeing-Up-an-Address/m-p/53693#M1601
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