Hi, I have a client that has configured a site to site VPN between a MX 95 and some 3rd party firewall. Everything is working from site to site EXCEPT the sync between a pair of Microsoft AD servers, one at each site.    Nothing apart from the VPN authentication settings has changed on the remote site. On the Meraki side the MX device "seems" to , by default have everything open and you add rules to close stuff out. Any idea as to why then, the ports for AD are not getting across??   Thanks a million,   L  ... View more