Hi Tony,I've created a support case and uploaded some Wireshark captures.  Two from a working Win11 client/MX64.  Two from a failed Win11 client/MX85.Cisco Meraki Case 14561842.Regards,Terry.

Some more info relating to the Meraki type and firmware versions.In answer to @Tony-Sydney-AU All the Windows 11 clients have Umbrella – Cisco Secure Client installed.  The Umbrella integration into Meraki was added to manage/report on BYOD devices (...

Another addition to Babine’s original ticket above.  I did a little more digging on this.  One thing that I forgot to mention is that we have integrated Cisco Umbrella on our Meraki configuration.  Again, not sure this is relevant, but I want to incl...

I am experiencing this exact issue.  Every step you have described is how I've seen it.Changing from Secure only DNS to Secure and Non-secure allows clients to update their DNS record.  The only thig i would add is that we migrated from Server 2016 A...