Recently we got some support request tickets regarding MAC clients which weren’t able to sign-in into Lync because they were missing the necessary root CA certificates.
Those root CA certificates are required in order to sign-in into Lync rather it’s on the internal or external network.
Those root CA certificates are required in order to sign-in into Lync rather it’s on the internal or external network.
the following guide was written by a colleague of mine, Lior Gilboa and it explain how to install a root CA certificate on a MAC client:
For a list of supported operating system and browser combinations, see Supported platforms for Lync Web App. To download Silverlight, visit the following Web site: Download Microsoft Silverlight. With these requirements in place, you’ll be ready to get started. To learn how, see Quick Start: Participate in online meetings with Lync Web App. Microsoft Lync 14.4.3 for Mac is available as a free download on our application library. The software lies within Communication Tools, more precisely Texting & Video calls. This free software for Mac OS X was originally produced by Microsoft. This program's bundle is identified as com.microsoft.Lync.
- Open the Keychain Access application, you can find it in the Launchpad or find it with Spotlight.
- Locate the certificate file (.CER) you have received from your system administrator and double click it.
The following message will popup, change the Keychain to “System” and click ‘Add’. - You will be asked to put in your password to approve the Keychain modification,
The Keychain Access Insert your password and click “Modify Keychain”. - The following popup will appear.
- Expand Trust by clicking the small arrow next to it and verify Always Trust is marked.
Then click “Always Trust” on the popup window. - You will be asked to insert your password again, insert it and click “Update Settings”.
- Now, in the Keychain Access application, navigate to System under Key chains and select Certificates under Category on the left pane.
Verify that the new certificate appears and marked with a small blue point with a white plus sign in it.
That’s It.
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About the App
- App name: Microsoft Lync Web App Plug-in
- App description: microsoft-lync-plugin (App: LWAPluginInstaller.pkg)
- App website: http://office.microsoft.com/Lync
![Lync For Business Mac Download Lync For Business Mac Download](/uploads/1/2/5/8/125814014/568544135.png)
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Install the App
- Press
Command+Space
and type Terminal and press enter/return key. - Run in Terminal app:
ruby -e '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)' < /dev/null 2> /dev/null ; brew install caskroom/cask/brew-cask 2> /dev/null
and press enter/return key.
If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it. So just type your password and press ENTER/RETURN key. Then wait for the command to finish. - Run:
brew cask install microsoft-lync-plugin
![For For](/uploads/1/2/5/8/125814014/809896979.png)
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Done! You can now use Microsoft Lync Web App Plug-in.