Fix: Lync Client for Mac OSX disconnects within 1 minute of connecting.

This comes second hand from a work college but I figured I should post it since there is nothing on the web about this issue.

Basically as it is described to me, Lync client for Mac OSX (10.6 and 10.7) will connect, show presence, but within one minute it blanks out and disconnects with an error.

Here is a sample error log from a TechNet Forums post where I got the solution from:

2011/12/22 10:46:04.328 [o365] process server certificate from input token failed

http://social.technet.microsoft.com/Forums/en-US/ocsclients/thread/af8935f3-e1a0-47bc-9792-536c07e0ecf2 

So there isn’t a fix just yet however there is a work around. This seemed to resolve the issue, thanks to "Jonathanpisarczyk" on the forums:

Open Lync Control Panel -> security
in the right pane we can find the authentication methods
Double click on the global setting so that we can edit that.
Uncheck the Enable Certificate Authentication.
Commit the changes.
User will need to signoff and back on.

If you have any other details on resolutions please leave them below in the comments.

 

UPDATE: Ok here some new info. This fixed us only for a few days then we had the problem again. We then fixed it by re-enabling the certificate based authentication. Some posts claim post CU4 you should keep it enabled. Perhaps turning it off and back on fixes it? My college likes to say "jiggle the toilet handle"

-Eric

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About Eric

My name is Eric Weintraub. I am an IT Professional with over 12 years of real world experience. I currently work as a Senior IT Manager for a large software company that develops products for Information Technology workers. Professionally, I love what I do and it shows in my work. Personally, I enjoy technology as a whole. Enterprise Technology, Social Media, and Mobile technologies are all things I follow. I also love to play golf, go snowboarding, cook, love to eat, and read. Also big on photography, check out my recent photography at http://www.ericweintraubphotography.com and also Flickr: http://www.flickr.com/photos/ericweintraub/. As much as I don’t have a lot of free time, I always come across things that I believe could help others. I just wanted to be able to share what I find with others. Thanks for reading the blog, please setup a RSS feed and keep in touch! Eric Weintraub

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