Polycom VVX UC Software 5.1.1 Revision B is released
Hello everyone, We are pleased to announce the most awaited Polycom® UC Software 5.1.1 Revision B associated utilities and documents are now available on the Polycom Product Support web pages...
View ArticleLync 2013 Client, Desktop Sharing shows blank screen (Windows 7, Windows 8,...
I came across this problem, where a customer reported:A user could not participate on desktop sharing session, neither in conference nor in a p2p session. Other video related submission were working,...
View ArticleLync 2013 Reverse Proxy Solution with IIS ARR (Application Request Routing) -...
Before we start with the Lync 2013 Reverse Proxy solution design and setup guide. I want to keep some supportability statement in mind.By today, the date of writing this blog, Microsoft has to...
View ArticleLync Edge Server or Pool Server have uncommon call drops (30sec) and other IM...
I came across a funny problem.I customer complained if a federated call was initiated the call always dropped after exactly 31 seconds.What we could figure out was this error message.SIP/2.0 504 Server...
View ArticleCertificate requirements for internal Lync servers
Lync is quiet strict in certificate validation. If you assign a non compatible certificate to Lync it will run into serious issues.This is most likely happen if you are using dedicated certificate for...
View ArticlePublishing Lync Topology Firewall Requirements (missing TCP Ports)
In a special scenario, where I faced certain issue publishing the Lync Topology, where the Lync Frontend Servers are located in Sub Domain, you need to open certain TCP Ports to at least one Root...
View ArticleSIPPROXY_E_CONNECTION_UNKNOWN_SERVER (TLS negotiation error)
Recently I encountered a very strange issue:After installation another Lync Frontend Server, in this case a SBS. The Federation was broken.Incoming via the Edge Server everything looked fine. Meaning,...
View ArticleMicrosoft Lync Server 2013 Security Aspects: Secure by Design @ TechED 2014...
Hi Folks,thanks you for your participiation in my TechED 2014 session in Barcelona.I'm very proud you listen and enjoyed the session.For your reference, you can view and download my session...
View ArticleLync become Sykpe for Business (#skype4b) - vNext
Finally it is time to announce the changes Microsoft made.Still a lot feature are not yet public, but the name and the look and feel of the new client.A lot of rumors ran around the last month and now...
View ArticleLync and Skype for Business protocols
today is time that I will explain the Lync protocol short cuts, the name what actually this couple of letters mean.I was very often asked what e.g. is the meaning of STUN or RT.Also, which RFC is...
View ArticleSummary Lync 2013 Cumulative Updates and Database Updates
Do not forget and update the Lync backend databases. ;)We need to patch all the databases, and the LIS / XDS from CMS.First we remember, the Standard Edition has its own local SQL Server containing all...
View ArticleSkype Translator online Preview
A most amazing tool and option bringing our world closer together.Making contact with other people around the world, with different languages and culture. Humanization is the ultimate goal for peace...
View ArticleTroubleshooting Guide Skype for Business and Lync
The free eBook is about troubleshooting Skype for Business and Lync.A complex solution in unified communication marking people's life more simpler, connecting to óther at any point of time, staying in...
View ArticleSkype for Business and Lync Monitoring for Enterprise Voice
Monitoring, a component in Lync which is most important.Not only collecting information about the servers and their services. Since here are users directly involved with their end devices, like phones,...
View ArticleCannot send IM from Outlook Web Apps
There are three possible reasons why you can't send IM from Outlook Web Apps (OWA).I assume first, the integration was done according to the recommendations given. Meaning you have also tested that...
View ArticleLync Mobile Client does not normalize dialed number
There is an issue cause confusion with the Lync Mobile Client behavior. Let me give you a scenario:Assume a user is located in Munich:+49 Country Code Germany 89 Area Code Munich314253 (main...
View ArticleSkype for Business Webcast und neue Informationen
Hallo und happy Skype for BusinessSkype 4 Business Webcast 11. März 2015 from Thomas PoettAuthor: Thomas Poett MVP, Principal Consultant Microsoft Unified Communication
View ArticleSkype for Business Client Preview Download
Hi all,the CeBIT was a great success.Let me share the Skype 4 Business Client bits.http://www.microsoft.com/en-us/evalcenter/evaluate-skype-for-business?i=1There is one issue:If you run any Office 2013...
View ArticleConfigure the client experience with Skype for Business
Hi dear blog reads, since I was often asked how to set the UI in Skype for Business Client.Microsoft posted the update under Lync 2013...
View ArticleSkype for Business In-Place Upgrade failed with "Unsupported version of SQL...
I came across a problem a customer reported while he tried to upgrade an Lync 2013 Standard Server to Skype for Business Server. The error is:Before this server can be upgraded, the following must be...
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