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  • MustangBillJr
    Original poster 3 posts

    Hello, I recently decided to go back to Assassins Creed Unity to complete the co-op achievements before moving on to other games. When I last played I was able to do the co-op missions with someone else but now I can't seem to connect to anyone. Have the servers been shutdown? I've checked a few suggestions i've read here and everything looks ok, NAT is open. I'm having this issue on both my Series X and old Xbox One so it doesn't seem to be related to the new system. I have no issues connecting with Ubisoft Connect. I don't seem to be the only one with the issue as the Achievement forum I frequent has multiple people with connection failure problems. Hoping for a fix, Thanks.


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  • Ubi-TheBerry
    Ubisoft Support Staff 3362 posts
    Best Answer

    Hey everyone,

    Thanks for your updates that issues are still present.

    These have been raised to the team who are continuing to investigate these connectivity issues.

    As we have done, we'll continue to keep you in the loop with any information we receive and apologise for the inconvenience.

    Official Response
  • Ubi-Keo
    Ubisoft Support Staff 4303 posts

    @mustangbilljr I'm sorry to hear that you are experiencing issues playing co-op in Assassin's Creed Unity.

    I can confirm that the servers have not been shutdown and you should be able to play co-op, however it may be more difficult to find a game to play as the game has been out for sometime and there will not be as many players online.

    Please check the support article on how to access co-op as there are different ways you can do this. I would also recommend going through the connectivity troubleshooting steps then trying again to see if that helps.

    Official Response
  • MustangBillJr
    Original poster 3 posts

    @ubi-keo Thank you for the response.

    I understand it's an old game but I was searching for others through LFG posts and couldn't connect with about 5 other people who were having the same "Connection Failed" issue. Trying to join their invite or sending my own, I couldn't connect to anyone. I'll take a look at the connectivity link and make sure everything looks ok on my end but I don't think I have an issue there as I was able to play with my brother just a few months ago. Why I didn't just get the achievements then is beyond me. Thanks again for the response.

  • Ubi-Keo
    Ubisoft Support Staff 4303 posts

    @mustangbilljr You're welcome.

    If the issue persists after following the connectivity troubleshooting then please submit a support ticket with a description of the the issue and also attach an image of your port settings on your router and our Support team will investigate further.

    Official Response
  • MustangBillJr
    Original poster 3 posts

    @ubi-keo Again thanks for the responses. I felt I should come back and report my outcome since it was a positive one. I went through the suggested links again and checked out my router. I think I had my port settings off or maybe it was just a coincidence that as soon as I changed them around a bit I was immediately able to connect to randoms on Unity. I was connecting to multiple different people, no lag, completed a bunch of missions and nabbed my last two achievements.

    As much as I loved Unity i'm now off to Origins so I can complete this AC backlog I have and get to Valhalla! Thanks again!

  • Ubi-Keo
    Ubisoft Support Staff 4303 posts

    @mustangbilljr Thanks for the update, I'm pleased to hear that the connectivity troubleshooting helped and that you were able to earn those achievements you wanted.

    Hope you enjoy Origins and Valhalla 🙂

    Official Response
  • guest-sE7BfvRs
    1 posts

    Hi, unfortunately i am having connection issue/matchmaking issue, like a lot of other players, it seems impossible to play a coop game... it is possible to start a coop mission but it is not possible to find any public match or start a private session and invite succesfully another player... every time me and other players try to it says "connection failed" on screen... what is the problem? More likely is it a server problem? It seems it's happening on xbox servers for this game only nowadays...

  • Tears_0f_Wolves
    5 posts

    @guest-se7bfvrs

    I am also on Xbox and am encountering this problem. According to www.trueachievements.com: (https://trueachievements.com) no one has unlocked the “never say die” or “choreography” achievements since 6 January 2022.

    Its unclear whether this is a Microsoft or Ubisoft issue but either way, Xbox players are unable to connect to eachother

  • kranosdestruct
    1 posts

    @guest-se7bfvrs
    I and everyone else I know is currently experiencing the exact same issue on Xbox.

  • Ubi-Viral
    2366 posts

    @guest-se7bfvrs @p4ntallic4 @kranosdestruct

    Hey! Sorry to hear that you are all experiencing this issue with not being able to play on Xbox.

    In order to troubleshoot this can you please try the steps here.

    If the issue continues please let us know.

    Thank you.

  • sudo6
    1 posts

    @ubi-viral we shouldn’t have to change our port settings in our routers to connect to people fix the servers the troubleshooting doesn’t help at all

  • Ubi-Borealis
    Ubisoft Support Staff 6078 posts

    Hello there @sudo6! Welcome to the forums 🙂

    I'm sorry to hear you've encountered connectivity issues in-game. We recommend that you ensure port forwarding has been correctly configured, as this will help to establish an open NAT type. You can read more about the different NAT types, and why having an open NAT type is best for multiplayer games, here.

    If you are still having trouble connecting to multiplayer after trying the suggested connectivity troubleshooting steps, please can you let us know so we can investigate this issue further?

    Thanks! 😊

    Official Response
  • RedDevil2Fast4U
    4 posts

    @ubi-borealis @Ubi-Viral @Ubi-Keo This issue is for all Xbox One/Series X|S users. I have checked on all my consoles and the game/servers simply will not let players play co-op.

    I have open NAT, all necessary ports for both Xbox and Ubisoft games open, wired connection etc. etc. I have done all troubleshooting tips. (but this is kinda irrelevant, as the problem is server side, I have 0 issues in other games)

    Like @p4ntallic4 said, NOONE on Xbox has earned any of the 2 online co-op achievements since january 6th("Never Say Die", "Choreography"). Yes, there are other co-op achievements but they can be done solo.
    Something has happened on the server side for Xbox/Ubisoft, and we need you to fix it.

    It is not possible to connect to friends, or other online players. Every single time you invite someone/get an invite the error message "Connection failed. You couldn't join the session. Try again later" pops up. If you matchmake public lobbies, the game will look for a lobby "forever" without connecting to anyone.. I stopped searching after almost 1hr of waiting.
    This has been happening for over 1 month now, the issue IS continuing for everyone, so PLEASE investigate further 😉

    I just want to play this amazing game with my friends, but something has guillotined the co-op servers..

    You fixed the eStore yesterday( with the 0xb003007e error code), please fix the co-op soon as well 🙂


  • Ubi-Borealis
    Ubisoft Support Staff 6078 posts

    Hello there @RedDevil2Fast4U! Welcome to the forums 🙂

    Thank you for taking the time to share your experience with us, and for letting us know that you've tried all of the suggested connectivity troubleshooting steps for your platform. I'm sorry to hear that you're having trouble connecting to a co-op game.

    You mention that you're encountering an error message when you try to connect. Would you be able to share an image of this error message within this thread? It would be useful for further investigation to check for any error codes, and to see if you are all encountering a similar error message when trying to play co-op.

    You can either share the image directly in a post within this thread, or you can upload it to a sharing platform (such as Google Drive or OneDrive). This will allow you to post a shareable link within this thread so we can take a closer look.

    Thanks! 😊

    Official Response
  • RedDevil2Fast4U
    4 posts

    @ubi-borealis
    This is what the person you invite to co-op will see ~30 sec after the invite has been accepted. Normal matchmaking(public) for co-op will just let the timer run.

  • Ubi-Borealis
    Ubisoft Support Staff 6078 posts

    Thanks for providing that image for me, @RedDevil2Fast4U!

    It would be helpful to gather some additional system files from you as well to help us to investigate this issue further. I've now opened up a support ticket for you, which you can find by logging into the Ubisoft Help website and choosing "See All Cases" on your main homepage. I've also sent you an email with additional steps on how to collect the files we'd like to take a closer look at. Please check this out when you're next able to.

    Thanks! 😊

    Official Response
  • meobius28
    2 posts

    I'm facing the same issue on series X. Started a new game in Jan after I got covid and I couldn't connect to any co-op games. Got the same banner saying connection failed

  • OffRunn
    4 posts

    @ubi-borealis

    Xbox player here facing the same issue like all other Xbox players.

    Wouldn't it be easier if the development team looks by themselves for the system files you asked by just starting the game and trying to join a Co-op game? I mean it's such a waste of time to ask for someone's system files when EVERY Xbox player is facing the same issue. Something clearly broke around January 6th between Ubisoft services and Xbox services. Since this issue affects ALL Xbox players, it is obvious that something broke server side. It would be way easier if someone from the development team grabs a Xbox and tries to join a Co-op game. It would avoid all those unnecessary back-and-forths, thus saving everyone's time.

  • Ubi-Viral
    2366 posts

    @meobius28 @OffRunn Thank you both for your reply and sorry to hear that you are also experiencing this issue.

    We understand that asking for system files and troubleshooting to be completed can seem unnecessary, however, it is something we must do in order to eliminate possible causes for this issue to be occurring.

    As you are on console we do not require your system files, however, may I ask have you both completed the connectivity troubleshooting here?

    Thank you and I look forward to your reply.

  • Blitzace10
    1 posts

    @meobius28 I’m so glad someone is finally bringing this up. I have 3 friends and I try to play this just last week and none of us could connect to one another . Can’t play coop with anyone period. I searched for a bit and found no info on it so I gave up. We are all on Xbox also.

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