BATTLETECH - Unable to log into Paradox account for multiplayer

[Nimrias]

One line summary of your issue
Unable to log into Paradox account for multiplayer

What platform are you running the game on?
Steam

What operating system do you use?
Windows

Which version of the game are you running?
1.9.1-686R

What DLC do you have installed?
Flashpoint, Urban Warfare, Heavy Metal

Please explain your issue is in as much detail as possible.
I'm prompted to log into my Paradox account when I choose the multiplayer option. After I enter my (known good) credentials, I see "Unable to establish ComStar connection". I first experienced this issue 3/26/2025. Others have experienced this issue. I have verified Steam game files, disabled firewall, tried another network/ISP.

Have you tried verifying your files?
Yes

Steps to reproduce the issue
Run Battletech, click "skirmish" button on main menu, click "multiplayer" button, click "login" button on the "LOGIN with Existing Paradox account or REGISTER to create a new Paradox account" window, enter email and password then click the "LOGIN" button, see the "Unable to establish ComStar connection." message.

Attach DxDiag (PC), System Info log (Mac), or run sudo lshw -html > specs.html and uploaded specs.html (Linux)
File(s) attached

Attach Output Log
Windows: \Users\YourUserName\AppData\LocalLow\Harebrained Schemes\BATTLETECH\output_log.txt
Mac OS: Users >{name} > Library > Logs > Unity > Player.log
Linux: ~/.config/unity3d/Harebrained Schemes/BATTLETECH/Player.log
File(s) attached

If the game crashed, please attach the crash file with the time stamp closest to the crash.
Windows: [Steam library folder]\steamapps\common\BATTLETECH\DumpBox
For v.17 and beyond try here: C:\Users\[YourUserName]\AppData\LocalLow\Harebrained Schemes\BATTLETECH
OSX: Macintosh HD > Users > [username] > Library > Application Support > Steam > steamapps > common > BattleTech > DumpBox
Linux: [Steam library folder]/steamapps/common/BATTLETECH/DumpBox
File(s) attached

If a save game was loaded at the start of the game session, upload it. Please make sure to upload the save game with the timestamp closest to when you loaded it.
Windows:
Steam: [Steam installation folder]\userdata[SteamID]\637090\remote\C0\SGS1
GOG: 'C:\Users\USER_ID\AppData\Local\GOG.com\Galaxy\Applications\50593543263669699\Storage\Shared\Files\C#\SGS#'
Vanilla:'C:\Users\USER_ID\AppData\LocalLow\Harebrained Schemes\BattleTech\C#\SGS#'
OSX:
Steam: Macintosh HD > Users > [username] > Library > Application Support > Steam > userdata > [SteamID] > 637090 > remote > C#> SGS#
GOG: Macintosh HD > Users > [username] > Library > Application Support > GOG.com > Galaxy > Applications > 50593543263669699 > Storage > Shared > Files > C# > SGS#
Vanilla: Macintosh HD > Users > [username]> Library > Application Support > unity.Harebrained Schemes.BattleTech > C# > SGG#
Linux:
Steam: /home/.steam/steam/userdata/[steamID]/637090/remote/C#/SGS#
GOG: /home/[username]/.config/unity3d/Harebrained Schemes/BATTLETECH/remote/C#/SGS#/
Vanilla: /home/[username]/.config/unity3d/Harebrained Schemes/BATTLETECH/remote/C#/SGS#/
File(s) attached

Attach screenshot / video
File(s) attached

 

[PapaToXic]

Having the same issue. And it would seem there are many more who do.

 

[Data4224]

Same issue, apparently the server is down.

 

[deoved]

Same issue.

 

[DarkFolle]

so long and thanks for all the... salvage, I guess?

 

[atlasmantheproto]

same here, i even have the multiplayer fix mod so i dont know what to do, trying to play it with some MWO buddys

 

[Artificial Intelligence]

In the same boat, Trying to do some multiplayer with friends but no-one can log in to paradox from the game