MS250 not responding to DHCP requests

[Abn]

I replaced a stacked cisco 2960 switches with a stacked MS250 switch in production. DHCP server configured correctly for a VLAN and all access ports were tagged with the VLAN. About 80% of the current clients got IP addresses from the expected VLAN and the other 20% could not. I still have 184 free usable IPs in the subnet so I don't think this is an exhaustion issue.

I captured packets on a port and could only see DHCP discover messages from the user PC with no Offer from the Switch.  I power cycled one of the port, forced the PC to renew but to no success. 

Before rebooting becomes my last resort, is there anything I am missing😊?

Your response would be appreciated.

FYI: For now I have statically assign IP address for those troubled clients so they don't keep yelling. Thank God they were only few.

[Inderdeep]

@Abn : Can you check this thread if it helps

https://community.meraki.com/t5/Security-SD-WAN/DHCP-failures/td-p/91539

[DarrenOC]

Is your Stack setup correctly?  Are you able to pinpoint where the affected users are connected?  Are they spread across the stack or confined to a single switch?

[Abn]

Stack is set up correctly. Affected clients are spread across.

[ww]

Can you also verify the dhcp/bootp packets from a capture on the client itself. (In dont trust meraki switch packet captures)