The Curious Case of Lync Server 2013 CLS “Running” but not Actually Working
This was one of those “ohhhh yeah…” moments – one of those issues that made complete sense once you were able to see root cause but one of those issues where youRead More…
Tag Archives: Security
Lync Server 2013 Front End Patch Installer Fails with Error 1603
Another day, another odd error. Another trip into the deep, dark depths of Windows. Another enlightening find that reminded me of the inter-dependency of Lync, Windows, and SQL Server. The error: Product:Read More…
Lync Phone Edition TLS Limitations
Updated 12/21/2018 – Added information about removal of 3DES cipher coming on February 29, 2019. Updated 1/22/2018 – Added information about forced usage of TLS 1.2 coming in CY 2018. Updated 3/21/2016Read More…
Office365 Modern Authentication, Skype4B Hybrid & Exchange Hybrid
Updated 10/18/2016 – Clarifications on ‘hybrid topology support’ for Skype for Business Server 2015 and Skype for Business Online Updated 6/8/2016 – Including updated information about Modern Authentication MFA support for LyncRead More…
Finding Accounts in Skype4B Server with AdminCount Set
If a user account is a member of a protected group in Active Directory, permission inheritance is disabled on the AD object and performing tasks like pool migrations, registrar enablement/disablement or grantingRead More…
The Dangers of SQL Server Security Hardening for Lync Server & Skype4B Server
Having spent 6 years of my life working in internal IT for a publicly traded insurance company here in the United States, I am fully aware of the legal requirements and restrictionsRead More…
Disabling Edge Server File Transfer Functionality in Lync Server
In the November 2011 Cumulative Update of Lync 2010, Microsoft added the ability to disable file transfers via the edge server. This feature enhancement undoubtedly was the result of customers voicing concernsRead More…
CryptoAPI NG Certificate Support for Lync Server
Simply put, Lync does not support certificates that are issued using the Cryptography API: Next Generation providers. At the time of this writing, Lync 2010 and Lync 2013 only support certificates thatRead More…