I found a post about turning off IPv6 on my WiFi connection on my Windows laptop that resolved this issue for me.The issue I was having was that from my Windows laptop, I was NOT able to VPN into my workplace using my personal hot-spot thru my iphone 12 (I’m running iOS 15.1.1) using TMOBILE.To resolve the issue, I had to disable IPv6 on my Wireless connection on my laptop.Do disable IPv6 on my Wireless connection on my Windows laptop I did these steps:Open “Network and Internet Settings” Under “Advanced Network Settings”, Click on “Change adapter options” It will bring up a list of Network connections, double click on the one that says “Wi-Fi” In the new dialog box, click on “Properties” bottom left, do NOT click on “Wireless Properties” The next dialog box will have a list of "This connection uses the following items” Scroll down in that list to find “Internet Protocol Version 6 (TCP/IPv6)”, this will be in the list after the “Internet Protocol Version 4 (TCP/IPv4)”. Uncheck the box
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