Disabling SSL 3.0 in Lync Server 2013 and Skype for Business Server 2015

If you recently tried to check on a certificate on DigiCert – SSL Certificate Checker (https://www.digicert.com/help/), you may have noticed the following warning:   DigiCert added this verification due to a vulnerability that was discovered a few days ago. For more information about this vulnerability, check the following articles: Vulnerability Summary for CVE-2014-3566 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-3566 This POODLE … Continue reading Disabling SSL 3.0 in Lync Server 2013 and Skype for Business Server 2015

Lync Client 2013 Tab Shortcut Keys

Most users already use shortcut keys on daily basic tasks, such as working on documents/spreadsheet, browsing the Internet, etc., and these shortcuts are also heavily used for playing PC games (specially strategy games). If you want to get familiar with all the available Lync Client 2013 shortcuts, check the following URL: Keyboard shortcuts for Lync Client 2013 … Continue reading Lync Client 2013 Tab Shortcut Keys

Lync Server 2013: Event 32169 LS User Services and Event 36870 Schannel

Last Tuesday, a friend called us asking if we could help him check one Lync Environment, because on a Front End server the Lync service wouldn't start. This particular environment was familiar to us since we were part of the team that deployed it, so we knew it has only two Front End Servers. Even … Continue reading Lync Server 2013: Event 32169 LS User Services and Event 36870 Schannel

Certificate re-key to change signature algorithm in Lync Server (SHA-1 to SHA-2)

Recently, I received an e-mail from GoDaddy asking to renew older certificates which were signed using SHA-1 algorithm because: Google® is making a shift in their Chrome™ Web browser to phase out any SSL certificates which use an old encryption algorithm (SHA-1) and expire after Dec. 31, 2015 in Google Chrome phasing out SSL certs using SHA-1 … Continue reading Certificate re-key to change signature algorithm in Lync Server (SHA-1 to SHA-2)