[SOLVED] - 'Server Disconnected. Connection to EA Online timed out.'

"Server Disconnected. Connection to EA Online timed out. Your network bandwidth and/or network latency may not meet the requirements for this game."

Whenever trying to join a game, it will appear to load for 10 seconds before failing with the message above. My connection is perfectly fine otherwise.

I have tried:

1) Forwarding all BF related ports.

2) Changing to Google DNS (8.8.8.8)

3) Repair BFV

4) Disable Origin In-Game

5) Disable Direct X 12

6) Restart PC

7) Restart Router

8) Flush DNS

I've also done UOTrace, but EA Support are not on online to send it to.

Does anyone have a solution for this problem? Thanks.

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SOLVED: I noticed when connecting over a VPN it would suddenly work, suggesting something with my ISP.  I was sceptical, but on calling my service provider (Aussie BB) they had an immediate solution. They 'disabled the carrier-grade NAT' on my connection, which I don't fully understand, but after power-cycling my router I'm now connecting without issue.

I hope this helps someone else.