Questions tagged [lync]

Lync Server 2013 is the latest version of the Microsoft Office Communicator server.

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Is there a single point-of-reference that lists the release dates for the Live Communications Server (and other related client/server applications) [closed]

Whilst I've been able to find historic information relating to the Live Communications Server (and subsequent versions as it was rebranded), what I haven't been able to find is a definitive list of ...
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Skype for Business calls behind pfSense dropping after five seconds

I'm having a problem with Skype for Business (Lync) disconnecting behind a pfSense firewall after exactly 5 seconds. It's an odd problem, and I've opened a ticket with Microsoft, but thus far, that ...
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IIS Windows Authentication : IE not choosing the right certificate

I am trying to setup an intranet website (osTicket ticketing solution). I want my users to connect automatically to the website, so they don't have to fill their credentials. For this I have : ...
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What ports does Skype for Business Web Client use?

An external customer is having problems attending our Skype for Business meeting. It is hosted online through Office 365. They do not have S4B and are using the web client. They can join and use IM ...
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How Skype to Skype For Business Communication, is configured?

Our office emails hosted on Office-365 / Skype For Business for instant messaging. Our vendors do not have Skype for business accounts. What configuration needs to be done on Exchange? We need to ...
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Easier attendance method to Skype for Business meetings?

Our organisation uses the native desktop Skype for Business 2016 client. When I want to have meetings with external users I send them the standard Outlook invitation created by the S4B add-in. This ...
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1 answer
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S4B Extension dialing with individual DIDs

I'm 90% done with a migration to Skype for Business 2015. Our organization has extensions from the legacy system that everyone has gotten to know over the years and I have to carry them over. Many ...
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Unable to connect to Skype Online for Business - "winrm" issues

I am attempting to manage Skype Online for Business via the LyncOnlineConnector PowerShell module. I have had no trouble whatsoever connecting to remote exchange. However, I am now trying to do the ...
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How to upgrade HP 4110 VoIP phone firmware.

Actually, I have found the clue here on after googling, but the problem is I can not download the Microsoft Lync Server 2010 or 2013. http://jackstromberg.com/2013/05/configuring-lync-server-to-push-...
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Where to download Microsoft Lync Server 2010 or 2013

It tried to google many time to download Microsoft Lync Server 2010 or 2013 evaluation. but the links I got has changed and can not find it. http://technet.microsoft.com/en-in/evalcenter/hh973393.aspx ...
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1 answer
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Application Event Log Source: SideBySide, Event ID: 35 Lync.exe.Manifest error

I'm seeing an error in my Windows event log with the following signature: Log: Application Source: SideBySide EventId: 35 Level: Error Description: Activation context generation failed for "C:\...
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Lync SBC Issues

Ok, I have been working with Lync 2013 for 2 years now. I got to this job and watched a consultant install Lync 2013 and walk away. I have been reading some books and have some questions about how ...
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1 answer
661 views

What ports should be mapped via NAT for Lync client?

I installed gateway with NAT between PC and network. User of PC can chat via Lync client but can't call or join conference. What ports should be mapped via NAT for Lync client to use all Lync ...
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1 answer
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Lync 2013 / SfB without Reverse Proxy

We are looking to deploy SfB Frontend and Edge with mobility client. We only have capacity for two new servers, so we cannot put a dedicated Reverse Proxy in. Can we simply use NAT to get around this?...
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Skype for Business 2015 - Enable AD users

I have installed Skype for Business 2015 into a test lab environment and am now struggling enabling any users. I have created three new AD users - U1@test.local, U2@test.local and U3@test.local. ...
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Skype for Business Server 2015 - Prepare Active Directory fails with error: 5

I am trying to deploy Skype for Business 2015 to a test lab following this guide. I have performed all prerequisite actions up to Prepare Active Directory. when I run the task to prepare the AD schema ...
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Lync 2013 SIP Trunk with credentials?

We have a Lync 2013 installation and are currently in the process of testing SIP functionality. Our current SIP trunk requires a username and password to authenticate. I can't find an awful lot of ...
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1 answer
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Is there a VDI plugin for Skype For Business 2016? Is it needed?

The VDI plugin for Lync 2013 allows using Lync 2013 (which automatically becomes SFB after some updates are installed) over a remote desktop connection without performance penalties, by offloading the ...
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Office 365 Skype/Lync: Support for stream multicast or mirroring?

Does Skype for Business / Lync when used via the hosted Office 365 service have the ability to do any stream multicasting or mirroring for group meetings? Background: I’m in a branch office with a ...
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0 answers
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Is there a way to transfer a Skype for Business call from the mobile app to the desktop and visiversa?

In the past, I have heard others talk about how they liked a Lync feature, which made it possible to switch a call from being on the desktop to a mobile phone and back again. Now that I have access to ...
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1 answer
440 views

Lync/ Skype4Business App saves Chat History locally?

I hope this is in scope of this stackexchange. I was wondering, if the chat history is saved servers-side (https://msdn.microsoft.com/en-us/library/office/hh243707%28v=office.14%29.aspx), is it then ...
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2 votes
1 answer
4k views

Skype for Business/Lync 2013 - Wrong Display Names

Recently we've been noticing an issue where when searching for a user in Skype For Business/Lync 2013, a different user will show up in the search results. Doing some research, this seems to be ...
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3 votes
1 answer
869 views

Upgrade Lync 2010 to Skype for Business Clients

We currently have a Lync 2010 deployment, and are migrating to Skype for Business 2015. From my reading, there is no way you can upgrade the clients direct from Lync 2010 to Skype for Business 2015/...
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2 votes
1 answer
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Lync2013/Skype for Business 2015 Firewall requirements

We are looking to deploy a single consolidated edge on a vSphere Cluster. From reading the Microsoft documentation, it appears you need two layers of firewalling. Internet <--> Firewall <--&...
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How to join a Lync 2013 / Skype for Business meeting as a guest when the application is installed but you don't have an account?

I've stumbled upon a bizarre problem with Skype for Business 2015 (the client application, previously known as Lync 2013 but automatically upgraded to SfB 2015 by some Office update); maybe I'm ...
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2 votes
0 answers
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Cisco Unified Presence Server - Update Lync Status value for In a Call

The default value in Lync for a busy status is numerically represented as 6500. Is it possible to change the "In a call" status that the Cisco Unified Presence Server provides the Lync server.
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Redirect lync internal user calls to elastix and record it

We want to redirect all Lync voice chats ( Calls ) to an Elastix server. We also want to disable lync built in Voice chats ( all voice communication - "included internal lync users" - through Elastix ...
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365 views

Wireshark RST against TCP Zero Window

During application sharing with Microsoft Lync Client (Mac OS X), TCP ACK with RST flag is sent from my application end to Lync end against TCP Zero Window packets and call gets dropped. Image Link. ...
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Lync 2010 RTM - IM Takes Exactly 10 Minutes to Appear from an External Domain

The customer I'm currently working with has a Lync 2010 RTM environment and IM's from external domains fail (according to the sender as a failed message appears) however the IM is actually received ...
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1 answer
920 views

Lync Server 2013 Install-CSDatabase Failure

I have been trying to get a Lync server setup in my test enviroment and I keep running into errors. Most of them I can resolve fairly quickly, but last one has me stumped. I get the error when Lync ...
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1 answer
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Set the profile pictures globally

I'm trying to set my profile picture (avatar) globally, so that it will be available in all services connected to my exchange server. As described in Changing a user's on-premises photo, I ...
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-1 votes
1 answer
560 views

4003 error Lync server 2010

My Lync 2010 Standard Edition deployment used to work, but after restoring a server because a problem, the control panel does not allow me to enable users. I get this error: “Insufficient access ...
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0 answers
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Lync 2013 voice - is it possible to have incoming calls have Caller ID from a personal contact?

This is one of those where I'm not sure where to look. I found this TechNet article: https://technet.microsoft.com/en-us/library/dd351203(v=exchg.141).aspx - but it appears to only be for when UM ...
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2 votes
2 answers
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Forwarding/Simulring settings reset when logging in with Lync client

Problem: Using a Lync phone edition device, or using SEFAUtil, we can set forwarding/simulring settings for a particular user. Once that user logs in on a Lync client (running on Win7), the ...
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1 answer
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Microsoft Lync Group Chat Install error

I'm trying to install Group Chat Server but I got this error: site:microsoft.com failed while applying server changes error creating a trusted application I installed and configured all the software ...
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17 votes
7 answers
6k views

How often do you restart a heavily-utilized Windows Server 2008R2 Remote Desktop Server (VM)?

Note: I've read How Often Do Windows Servers Need to be Restarted? but this question pertains to our Remote Desktop server specifically. We have a Windows Server 2008R2 server - a VMware ESX VM - ...
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1 answer
376 views

Lync 2013 Desktop version refuses connection

A Lync 2013 Server Standard Edition is running in a local network (no access from outside), but I am unable to connect using the Desktop version of Lync 2013 with any user. Using the Lync ...
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2 votes
1 answer
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How to handle (and test) hybrid multi-forest with Office365

Let's say we have two domains: contoso.com and fabrikam.com. Both have: two UPNs (.local and .com) Then: Contoso.com have Lync servers on-premise. Exchange, Sharepoint 2013 and Azure AD on ...
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1 answer
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How to configure Lync message persistence format?

I'm on a project using Lync 2013. Our integration connector reads messages from the Lync server's SQL DB. Currently, 1 to 1 messages are being stored as RTF but conference messages are stored as HTML. ...
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2 votes
1 answer
3k views

Lync 2013 external video calls drop after 10 seconds

I have a Lync 2013 FE and Edge working to provide federated Lync service to our domain. Internal/External chat works fine but when getting on a video call with someone outside of the LAN the call will ...
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2 answers
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Authentication fails when using ARR to load balance Lync 2013 internal web services

I'm using Application Request Routing 3.0 on Windows Server 2012 R2 to load balance the internal web services on a Lync 2013 front-end pool; I'm not using it to reverse proxy the external web services ...
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1 vote
1 answer
968 views

Connect non-domain PC to Lync 2013 (AddressBook Issue so far)

I'm setting up Lync 2013 Standard Edition in my Lab and want to test it's features and its compatibility. I have managed to successfully install Lync 2013 Standard Edition, create some users and SIP ...
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2 votes
2 answers
14k views

The benefit of different SIP and SMTP domains?

I was wondering if there was an advantage of having a different Lync SIP domain name from the Exchange SMTP domain name? I could see the disadvantages, but I'm trying to understand the real world ...
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4 answers
5k views

Possible to auto populate Lync clients with default contacts

We are rolling out Lync and one request was to push out (and perhaps update) contacts to end users. Is this feature possible in Lync?
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2 votes
1 answer
2k views

How do I take an eml file and place it in the inbox for journaling, without sending the email?

I have an archiving system that reads both envelope and legacy journaling messages in an Exchange 2010 environment. The journaling target is simply a mailbox that receives a copy of every SMTP ...
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0 votes
1 answer
2k views

Lync 2013 Windows Phone client - Unable to sign-in. Request failed with the WININET errorCode (UcwaAutoDiscoveryRequest)

Summary: Windows Phone Lync 2013 client unable to login to Lync Server 2013. But other device iOS, Android, Windows desktop client all fine. In detail: We have a client with Lync Server 2013 deployed....
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0 votes
1 answer
1k views

Polycom VVX phones automatically logging off Lync 2013

I've got a bunch of polycom VVX sries phones logged in to Lync 2013 using PIN authentication. Everything worked fine, then suddenly several phones spontaneously logged out automatically. Re-keying in ...
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1 vote
1 answer
140 views

Lync Group Installation - Certificates

Lync Server: Server 2008r2 standard sp1, Lync server 2010 Lync Edge: Server 2008r2 standard sp1 Server running SQL: Server Standard 2008, running SQL Express 2008 I believe, can't tell for sure ...
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1 answer
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Lync Server 2013 Enable-CSComputer throws Error 'Index was out of range'

I am trying to install Lync Server 2013 on a Windows Server 2008 R2 but during the server component installation I get the Error Error: Command execution failed: Index was out of range. Must be non-...
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0 answers
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Lync 2013 dropped calls after 5 min

I have a problem with call dropped after 5 min ( during mute "on" ). If mute is "on" RTP packets will not flow from Lync server. Do you know how to force Lync to sent "empty" RTP packets during mute ...
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