I am posting this message in case others encounter a similar problem. After upgrading my Macbook Pro to the new macOS Sierra (v10.12), the Microsoft Lync 2011 client (v14.4.1) had a problem when attempting to connect with credentials for one of my customers. Specifically, Lync would connect when I was at home, on public WiFi, or using the personal hotspot on my iPhone. However, Lync would not connect when I was connected on my customer's network or connected to my customer's network via a VPN. I resolved the problem by checking the Keychain on my Macbook Pro, identifying two customer-provided certificates that were somehow no longer trusted, and setting these two certificates to be trusted. Hi Peter, I used this solution below and my MBP back to login in my Lync server: This Fixed My issue, I make sure you always allow the trust in the last step. Visual studio web development feature for mac. To resolve the 'Sign in to Microsoft Lync failed because the service is not available or you may not be connected to the Internet.' You need to reimport your Lync server certificate. Under the Request, Install or Assign Certificates section click Run. Lync 2013 CSR Creation. Choose External Edge Certificate and click Request. Ask your system administrator of the Lync server to export the server certificate and provide to you: - Log into Lync server - Open MMC > Add/Remove Snap-in > Select Certificates > Click Add > Select Computer account > Click Next > Local computer > Finish > OK - Expand Certificates > Personal > Certificates - Click on the certificate with the fully qualified domain name (i.e. Lyncserver.xyz.com) with the intended purpose 'Server Authentication' - Right click > All Tasks > Export > Next > No, do not export the private key > Select Base-64 encoded X.509 (.CER) > Next > Give it a name (fully qualified domain name) > Next > Finish Once provided with the.cer file, exit Lync on your Mac, double click the.cer file to import it into your keychain. Once imported, double click the certificate in Keychain and in the Trust section change 'When using this certificate' to 'Always Trust'. Start Lync back up, and you should be able to log in. Apple Footer • This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. All postings and use of the content on this site are subject to the. Onetastic for mac video player. Office for business Office 365 Admin Office 365 Small Business Lync for Mac 2011 Lync Skype for Business Basic Skype for Business for Mac Skype for Business Online operated by 21Vianet You can uninstall Lync from your Mac so you don't see it on your Dock in a few easy steps. To uninstall Lync from your Mac • To remove the Lync icon from your Dock, sign out of Lync. • Close the Lync sign in page. • Press Control and click at the same time. • Open Finder > Applications. Scroll to Microsoft Lync. Drag and drop it into the Trash. To remove all Lync files from your Mac, see. This is because you must format the drive with a specific file system before using it with a computer, and Windows and Mac computers run on different file systems. How to format a passport.
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