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Old 04-21-2011, 07:37 PM   #1
attacksquid
 
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Portal 2 Co-op. Can't Connect. Ideas?

Anyone had any co-op issues or know exactly what the console output
"CSysSessionHost: CreateSession failed. Error 15"
means?

Here is a description of the issue:
Trying to join/create a co-op match in portal 2, I click through "Play cooperative game",then "searching for friends" comes up and quickly disappears and is replaced with "Disconnected" "Failed to create session. Please check connection and try again."
Through the console this "CSysSessionHost: CreateSession failed. Error 15" is the error message that shows up after clicking co-op.
Being invited to a game does not help it just tells me the same thing except "the session is no longer active" instead of "failed to create".
I have allowed portal through my firewall and disabled it.
Someone else on the same network on a different computer, with a different steamID can use co-op functionality.
Running the "Verify integrity of game cache" comes up with 1 file that needs to be redownloaded" which appears to be successful, but if I run locale file check again either right after the first check, after restarting steam or restarting my computer, 1 file needs to be redownloaded again.
New information, backing up my game to a different computer = same problem
Using someone else's backup on that new computer = same problem
But using someone else's account with the same files on the same computer solves the problem!

So is there some type of config file associated with my account that could cause the problem?

Any ideas guys?
 
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Old 04-24-2011, 01:09 AM   #2
Never Mind
 
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i have like this problem
maybe most buy a game
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Old 04-24-2011, 10:46 AM   #3
attacksquid
 
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Sorry? I don't know what you mean.
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Old 04-25-2011, 06:13 PM   #4
theharrywon
 
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What he means is that you pirated the game via torrents or some other such way. That is the reason why Co-op doesnt work for you.
D'oh!
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Old 04-25-2011, 08:18 PM   #5
attacksquid
 
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But here is the clincher, I did not pirate it, my friend bought the 2 @ 20% off and gifted me a copy.

Last edited by attacksquid: 04-25-2011 at 08:19 PM. Reason: Wrote 40% meant 20%
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Old 04-25-2011, 08:33 PM   #6
kotekzot
 
 
 
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CONNECT HARDER
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Old 05-06-2011, 09:32 AM   #7
attacksquid
 
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Weird, the final solution that steam support cam to was

In cmd:
netsh winsock reset
netsh int ip reset reset.log

Which reset winsock and TCP/IP.
Strange as other peoples accounts worked on my machine, but it is fixed now, I'm not complaining!
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Old 09-26-2014, 05:01 AM   #8
PrArcturus
 
 
 
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We had exacly same problem after we bought Portal 2 Two pack. Thanks for these 2 lines In cmd:
netsh winsock reset
netsh int ip reset reset.log
and problem was fixed.

Last edited by PrArcturus: 09-26-2014 at 08:39 AM.
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