How to Fix Monopoly Star Wars Heroes vs Villains Crossplay Party Not Working & Failed to Join Session Error

Crossplay sounded like one of the biggest selling points of Monopoly: Star Wars Heroes vs. Villains. Rolling into battle with friends regardless of whether they’re on PC, PlayStation 5, Xbox Series X|S, or Nintendo Switch should have been effortless. Instead, a huge number of players are running into the same annoying roadblock: party invitations fail, sessions refuse to load, and the infamous “Failed to Join Session” message keeps appearing.

I’ve spent enough time troubleshooting multiplayer games to know that these errors almost never have a single cause. One broken setting somewhere between your console, your Ubisoft account, your router, and the game’s servers is enough to ruin the entire experience.

After digging through community reports, testing different fixes myself, and comparing solutions shared by experienced players, I found that most connection issues come down to several common problems. The good news? Nearly all of them can be fixed without waiting for a game update.

Let’s get your squad back together.

Why Crossplay Breaks in Monopoly: Star Wars Heroes vs. Villains

Cross-platform gaming isn’t just connecting two players anymore. Every multiplayer session has to communicate with multiple services at once.

Your game is trying to synchronize:

• Your gaming platform account
• Ubisoft Connect
• The multiplayer servers
• Your home network
• Your friends’ platforms

If any of those fail to complete the connection handshake, the lobby simply refuses to load.

The most common symptoms include:

• Failed to Join Session
• Party invite expires instantly
• Friends cannot see your lobby
• Endless Connecting screen
• Crossplay invites never arrive
• Lobby closes immediately after someone joins

Fortunately, there are several proven fixes that solve these issues far more often than people expect.

1. Update Ubisoft Connect Before Launching the Game

This is easily one of the most overlooked problems.

Ubisoft occasionally requires users to accept updated privacy policies or Terms of Service. If even one player in your party hasn’t accepted the newest agreement, matchmaking can silently fail.

Here’s what I recommend:

1. Exit the game completely.
2. Open Ubisoft Connect in your browser.
3. Log into your account.
4. Check for notifications.
5. Accept any pending Terms of Use.
6. Repeat the process for every player in your group.

It sounds ridiculously simple, but this has fixed multiplayer issues for countless players.

2. Make Sure Crossplay Isn’t Blocked by Your Console

Many gamers only enable crossplay inside the game itself.

That’s only half the job.

Xbox and PlayStation both include system-level privacy settings that can completely override in-game options.

Xbox Players

Navigate to:

Settings → Account → Privacy & Online Safety → Xbox Privacy → View Details & Customize → Communication & Multiplayer

Find:

You can join cross-network play

Make sure it’s set to:

Allow

If it’s blocked, no amount of in-game tweaking will fix your party.

After changing it, restart your console.

PlayStation Players

Most PlayStation users won’t need additional configuration, but it’s still worth checking:

• Account privacy settings
• Multiplayer permissions
• Family account restrictions
• Child account limitations

Even one restricted account can prevent successful matchmaking.

3. Toggle Crossplay Off… Then Back On

This feels like an old-school gaming trick, but it actually works surprisingly often.

Sometimes the game simply fails to refresh your matchmaking preferences after an update.

Do this instead:

1. Open Settings.
2. Disable Crossplay.
3. Save changes.
4. Return to the main menu.
5. Reopen Settings.
6. Enable Crossplay again.
7. Restart the game.

Think of it as forcing the game to register your multiplayer settings from scratch.

4. Completely Clear Your Network Cache

Quick Resume on Xbox and Rest Mode on PlayStation are fantastic features… until multiplayer starts acting weird.

Instead of creating a fresh online session, the game often resumes using outdated network data.

Whenever I’m troubleshooting multiplayer, I always perform a complete power cycle.

Here’s my routine:

• Shut down the game.
• Turn off the console completely.
• Unplug the power cable.
• Restart your modem.
• Restart your router.
• Wait about one minute.
• Power everything back on.

It only takes a couple of minutes, yet it fixes an incredible number of strange online issues.

5. Check Your NAT Type

If you’re using a Strict NAT, multiplayer can become a nightmare.

The game may connect to matchmaking servers perfectly fine, but incoming connections from your friends get rejected.

Here’s what you want:

Anything more restrictive can lead to:

• Failed lobby joins
• Missing invites
• Random disconnects
• Matchmaking failures

6. Enable UPnP on Your Router

Most modern routers support Universal Plug and Play (UPnP).

This automatically opens the required gaming ports whenever your console needs them.

Instead of manually forwarding dozens of ports, UPnP handles everything dynamically.

To enable it:

• Log into your router.
• Open Advanced Settings.
• Find UPnP.
• Turn it On.
• Save.
• Restart the router.

For most households, this is all that’s required.

7. Try Manual Port Forwarding

If UPnP doesn’t solve the problem, manual forwarding is worth trying.

Some routers simply don’t handle automatic gaming traffic correctly.

The ports commonly associated with Ubisoft multiplayer include:

Forward these ports to the device you’re playing on, then reboot both your router and console.

While this step sounds technical, it’s often the difference between a Strict NAT and a fully Open connection.

8. Stop Using Platform Invites

This is probably the strangest workaround I’ve tested, yet it’s surprisingly reliable.

Instead of inviting friends directly through Xbox, PlayStation, or Ubisoft Connect, create a Private Match first.

Then:

1. Create a custom lobby.
2. Enable Crossplay.
3. Copy the room code.
4. Send the code through Discord, WhatsApp, or another messaging app.
5. Have everyone join manually.

Many players report that room codes bypass whatever breaks during the normal invitation process.

If invites keep failing, this should absolutely be your next test.

9. Make the Best Connection Host the Lobby

Not every player should host.

If someone in your group has:

• Wired Ethernet
• Open NAT
• Stable fiber internet

They’re usually the best candidate.

I’ve seen sessions fail repeatedly with one host and connect instantly after switching to another player.

Sometimes it’s that simple.

10. Restart the Entire Party

This sounds obvious, but I’ve learned never to underestimate it.

If one player has been sitting in menus for an hour while everyone else keeps reconnecting, the lobby can become desynchronized.

Have every player:

• Close the game.
• Restart it.
• Return to the main menu.
• Recreate the party.

Starting fresh often fixes mysterious connection errors that don’t make any logical sense.

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Quick Troubleshooting Checklist

Before blaming Ubisoft’s servers, run through this list:

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Final Thoughts

Crossplay is one of the best features in Monopoly: Star Wars Heroes vs. Villains, but it’s also where the game’s biggest frustrations currently live. Nothing kills the excitement faster than spending twenty minutes trying to assemble a squad only to be greeted by another failed connection screen.

The silver lining is that most of these problems aren’t permanent server outages—they’re configuration issues hiding in plain sight. Whether it’s an outdated Ubisoft account agreement, a blocked cross-network permission, a Strict NAT, or a stale console cache, there’s usually a fix waiting to be uncovered.

If I had to recommend just three things to try first, they’d be accepting all Ubisoft Connect updates, performing a full power cycle of your console and router, and using a private room code instead of standard party invites. Those three solutions alone have helped more players than any other workaround circulating in the community.

Hopefully, your next session starts with lightsabers and lucky dice—not another “Failed to Join Session” popup.

Monopoly: Star Wars Heroes vs. Villains | Gameplay Overview Trailer