Remote Play doesn't work

Hi,

I've enabled Remote Play on my Xbox Series X, but whenever I try to connect to it through my PC or laptop, I get the following error:

"Check your network connection.

We found your console but can't connect. Try from a different Wi-Fi or cellular connection."

I've checked the following settings:

• Test Network Connection; Good. (Also tried to change my DNS to Google's.)
  
• Test Remote Play; All ticked and green.
  
• Test Network Speed & Statistics; Speed around 200Mbps.
  
• Remote features; All is turned on to the recommended settings.
  
• Test from Android phone; same issue persists.
  
• Test from cellular; same issue persists.
  

As a addition, I've managed to connect to my Xbox once through Remote Play. No settings were changed since then, and I didn't change ISP's either.

:)