EU Servers: cannot join a friend's game

[Tyrskorn]

Hi all,

This is likely going to be a result of the rate limiting described in this post:

Diablo II: Resurrected Outages: An explanation, how we’ve been working on it, and how we’re moving forward

Hello, everyone. Since the launch of Diablo II: Resurrected, we have been experiencing multiple server issues, and we wanted to provide some transparency around what is causing these issues and the steps we have taken so far to address them. We also want to give you some insight into how we’re moving forward. tl;dr: Our server outages have not been caused by a singular issue; we are solving each problem as they arise, with both mitigating solves and longer-term architectural changes. A small n…

I realize it’s a frustrating situation and hopefully with some of the incoming improvements mentioned in that thread issues like this can be alleviated over time.