Dota 2 error lost connection to steam

[Mac] Dota2 Lost connection to steam. #1285

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8e7 commented Jul 29, 2017

Recently I’ve had problems loading my dota2, I then called steam support and they told me to use the steam beta client. I did and then my dota2 loaded, but it had an error message on top saying “Lost connection to steam”. I’ve restarted my computer and steam, made sure this problem is dota2 specific, even re-downloaded dota2, but nothing works. Please help!

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gdrewb-valve commented Jul 29, 2017

I’ll pass this on to the Steam team.

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Antiiee commented Aug 22, 2017

Same issue here, I tried steam beta update because steam repeatedly prompted “Steam client out of date” when starting the dota 2 client. That made it possible to start, but not connect to steam. I tried reinstalling steam and Dota 2 but nothing seems to help. I can play on a ubuntu pc on the same network but not on my macbook.

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sianyu1 commented Sep 12, 2017

Having the same issue. Scoured the web for a solution but there doesn’t seem to be one. Seems like this has been going on for some time now.

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gdrewb-valve commented Jul 2, 2018

Is this still an issue?

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N-ReZA-A commented Jul 11, 2018

As a quick fix go to Dota 2 in your library, right click, select properties and go to launch options and type ‘-clientport 27015’ then restart your steam and it should work fine.

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Ayub-Khan commented Jul 11, 2018

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fletcherdvalve commented Jul 11, 2018

Is there anything in the Dota console log? Can you launch with – vconsole to make sure you get the complete log from the beginning?

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thomaschan9328 commented Jul 11, 2018

I am having this issue as well. – clientport 27015 solution is not working. Restarting steam is not working. Do you need me to send you anything?

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kisak-valve commented Jul 11, 2018

Hello @thomaschan9328 to workaround the recent regression, opt out of Steam’s beta client, allow it to update the steam client, then quit and relaunch the steam client.

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thomaschan9328 commented Jul 11, 2018

@kisak-valve I tried doing this and it didn’t work. I just tried again and still no luck. Any other suggestions?

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kisak-valve commented Jul 12, 2018

Per “This release fixes an issue starting certain games that began after the July 10th Steam Beta release. To apply the fix you will need to reboot your computer after installing this Steam Beta update.” in the 2018-07-11 Steam client beta update, please retest this issue.

If the above does not resolve the issue, double check that any launch option workarounds have been removed and verify the game’s files.