@franzyap I would suggest making a wish from the dashboard if you would like this functionality. It might take a bit of time but Meraki does listen to them. A customizable blocking message would be a nice feature to have.
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@CarolineS Sounds like some frustration here. Is there any chance we can see if there is any traction on getting a customizable splash screen for this?
Hi @vassallon - I'm afraid I don't have any insight into the product roadmap, but I definitely hear the frustration! The best ways to get wishes heard are (1) Make a wish (as others here have mentioned), (2) Discuss with your Meraki sales team and (3) continue to discuss here on the community; there are many Meraki folks who lurk here 🙂 (here's the official article about feature requests in the community).
Caroline S | Community Manager, Cisco Meraki New to the community? Get started here
I asked support this same question just a couple of days ago. They confirmed that this is not currently possible and suggested as others here already mentioned to submit a 'make a wish' from the dashboard.
I made a request as a wish for the Meraki team to check out the possibility, if you can support by giving a kudo or something like that and sharing to support it may be that Meraki will put it into production.