Erwin Bierens

Knowledge is Power

How to enable a Domain Admin for Skype for Business

2017-07-14 1 min read Skype for Business Erwin Bierens
/ Perhaps you have seen the error message below when trying to enable a Domain Admin (not recommended) in the Skype for Business control panel. You cannot use the Control Panel to users who belong to protected security groups. So your options are to either use Powershell as suggested in the error message or you could try this magical thing: Open active directory users and computers Enable the advanced features in the view menu Search for the account which is in a protected security group Go to Properties / Security / Advanced Check the following box: Include inheritable permissions Retry what you were doing in the Lync Control Panel Now this might not be the best “securest” way of solving this issue, but for my lab environment I do not care too much about that, but i should think twice before doing this in a productional environment. Continue reading

Powerpoint opens off-screen

2017-06-29 1 min read Microsoft Office Erwin Bierens
Today i was running in to a problem when starting powerpoint, it appears to open off the screen (probally an issue because of the use of external monitors at work). The Powerpoint icon appears on the taskbar, and when I click it a window appears to fly off the right-hand side of the screen. When I click again I saw the same window fly back to the task bar. / Continue reading

Microsoft Lync Connectivity Analyzer

2017-06-14 1 min read Skype for Business Erwin Bierens
LCA Yesterday June 13 2017 Microsoft announced the retirement of the Lync Connectivity Analyzer, and will be no longer available for public download. I’ve uploaded the latest version on my host. You can Download LyncConnectivityAnalyzer it right here. What can you do with this tool? This tool can help you to test both your internal and external network for the Lync Apps which are available via both the Windows Store and several other stores for mobile devices such as the MarketPlace. Continue reading

Security Updates Skype for Business (Lync) Client - June 2017

2017-06-14 1 min read Security Skype for Business Erwin Bierens
During patch Tuesday Microsoft released two security patches for Skype for Business and one for Lync 2013. Security update for Skype for Business 2016 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-0283. (download KB3203382) Security update for Skype for Business 2015 (Lync 2013) Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. Continue reading

Disable .NET Framework 4.7 from Windows Update

Microsoft posted a blog about .NET 4.7 with Exchange is not supported yet. (link) About the .NET Framework 4.7 The .NET Framework 4.7 is an in-place upgrade to versions 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, and 4.6.2 of the .NET Framework. In case of Exchange we will need to block the automatic installation through Windows Update of the .NET Framework 4.7 patch. These steps describes how to perform this blocking action. Continue reading

Configuring SEFAUtil - Skype for Business

2017-06-13 3 min read Skype for Business Erwin Bierens
What is SEFA Util SEFAUtil (secondary extension feature activation) is a command-line tool that enables Skype for Business Server 2015 communications software administrators and helpdesk agents to configure delegate-ringing, call-forwarding, simultaneous ringing, team-call settings and group call pickup on behalf of a Skype for Business Server 2015 user. The tool also allows administrators to query the call-routing settings that are published for a particular user.The SEFAUtil tool allows the administrator to enable/disable/modify call forwarding or simultaneously ringing on behalf of the user. Continue reading

Simplified port requirements for Skype for Business Online

2017-06-12 1 min read Skype for Business Erwin Bierens
Microsoft has announced that the 50,000-59,999 port range (UDP and TCP) no longer is a requirement for Skype for Business endpoints to communicate with Skype for Business Online. Earlier this year Microsoft talked about making simplification for network connectivity for Skype for Business Online (see blog article) and they recently updated the guidance and removed the mentioned port range as a requirement: Office 365 URLs and IP address ranges / Continue reading
Older posts Newer posts