How to Make Microsoft Intune Client Work Behind Corporate Firewall Proxy
How to Make Microsoft Intune Client Work Behind Corporate Firewall Proxy. It won’t be easy to test InTune client functionality on office machines that are connected to a cooperative network. All communications are mainly through 80 and 443 (HTTP and HTTPS) ports.
You can check the following post that explains Intune Firewall Proxy Requirements Modern Windows 10 Deployment. The connectivity requirements are always updated in Microsoft Docs.
How to Make Microsoft Intune Client Work Behind Corporate Firewall Proxy

Microsoft’s blog post suggests configuring or altering firewall and proxy settings to allow the Intune server to communicate with the clients. In case, if you’re doing a PoC for Intune, it won’t much easy to get the cooperate firewall and proxy settings changed. The catch is that if your test workstation is behind a proxy server that won’t allow system accounts rather than domain user accounts to access the internet site then you won’t be able to test Intune client.
Intune team did a wonderful job covering all firewall and proxy requirements for Intune client management in one post. More details are HERE !!
Required domains for documentation, online Help, and support
Required domains for Microsoft Update Services
Required domains for Windows Intune and related services
Required domains for Windows Update Services
A required proxy server configuration
Side Note:-

However, there are dead links still available if you try to google or bing on this topic.
One of them is http://onlinehelp.microsoft.com/en-us/windowsintune/hh127692.aspx
Ports and protocols – How to Make Microsoft Intune Client Work Behind Corporate Firewall Proxy
The following table summarizes the information from the “System services ports” section. This table is sorted by port number instead of by service name.
Resources
What’s New In SCCM Windows 10 Servicing Dashboard | ConfigMgr HTMD Blog (anoopcnair.com)

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