We have contacted support in the past. Meraki is able to update firmware one switch at a time. Saves us from having to shut our whole vmware environment down. Our core is stacked and taking them all down at the same time for an update isn't going to happen. EDIT: Actually I lied. Looked at a previous ticket and we are now doing staged updates. https://documentation.meraki.com/MS/Other_Topics/Staged_Upgrades_for_Meraki_Switches
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