Questions tagged [lync]

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

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1 answer
94 views

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 ...
2 votes
0 answers
33 views

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.
0 votes
1 answer
7k views

What is the video-conferencing limit of Microsoft Lync

How many people can participate in a video-conferencing call using Microsoft Lync? -- By contrast, Skype supports up to 10 people using video-conferencing. Once that number is exceeded video-...
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 - ...
1 vote
0 answers
501 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. ...
0 votes
1 answer
28 views

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 ...
0 votes
1 answer
963 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 ...
2 votes
2 answers
1k views

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 ...
0 votes
1 answer
314 views

Lync Mobility and users homed on an SBA

A client has found that Lync 2010 Mobility does not work for users homed on SBAs. This seems reasonable (although very annoying) because the appropriate services are not on the SBA server. This is ...
1 vote
1 answer
1k views

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 ...
-1 votes
1 answer
594 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 ...
1 vote
0 answers
792 views

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 ...
0 votes
1 answer
93 views

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 ...
2 votes
1 answer
244 views

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 ...
1 vote
1 answer
89 views

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. ...
0 votes
2 answers
1k views

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 ...
1 vote
1 answer
1k views

People joining Lync conferences muted

A while back I was in a conference call and I clicked on the 'people options' menu in the call window and selected 'mute audience' to mute everyone while I gave a lecture. Now when internal users ...
2 votes
2 answers
15k 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 ...
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....
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 ...
0 votes
2 answers
6k views

Polycom CX500 Lync Phone Edition consistently failing to sign in

I have configured a Lync system which is successfully working with the Lync windows client. I followed the instructions at http://blog.schertz.name/2010/12/configuring-lync-server-for-phone-edition-...
1 vote
1 answer
672 views

Is there any way to remotely configure a Microsoft Lync account?

There are no perl modules for Lync. No open source clients. Windows Powershell can do some things with it, but only on the server on which the server software is installed. It would be useful to be ...
0 votes
1 answer
549 views

Lync 2013 External connectivity certificate

I have been struggling a few days with connectivity on my external sip domains. My Setup is as follows: I have 1 standard FE server not publicly accessible. I have an Edge Server that is publicly ...
1 vote
2 answers
1k views

Lync 2013 VPN access

I have a working, internal use only Lync 2013 Enterprise FE pool. Is an Edge server required to expand access to VPN users (no split tunnel, and with double encryption of course), or would a ...
1 vote
2 answers
227 views

Lync 2013 PSTN Gateways [closed]

I am looking for a certified Lync 2013 to PSTN gateway chassis that can take different modules (ISDN PRI, ISDN BRI or Analog trunk modules). I cant find any manufactures offering modularised gateways ...
1 vote
1 answer
5k views

Cannot run without administrator privileges

I have a user who is running Lync, but unless it is run as an administrator, she cannot log in. Her Lync account is fine and other standard users do not have this issue. I have been able to log in by ...
1 vote
0 answers
121 views

Cisco UC Integration for Lync does not switch back Lync status after a call

We use Cisco UC Integration for Microsoft Lync with Office 2013. The integration does not seem to be as good as with Office 2010 (we have a separate icon for the running program, not the expected ...
4 votes
3 answers
4k views

What software is out there for Video Conferencing within our LAN [closed]

We are looking at various Video Conferencing tools to have conferences mainly between two offices. There is a 10mibt connection directly from one to the other and both offices are on the same network....
2 votes
1 answer
104 views

Automation of helpdesk password reset calls

From a customer we get a lot of password reset requests (expired or lost). I have thinked about a automatically solution: User goes to webpage Enter his username The system call the user no his mobil ...
0 votes
1 answer
485 views

Lync 2010 incoming normalization

Can anyone help with normalizing incoming numbers from our audiocodes mediant 1000 (from PSTN) box into lync. Out the box, numbers are presented to lync without a leading zero, so eg a local london ...
3 votes
1 answer
89 views

Windows users with smartcards using Lync Android app

We have a Windows network where users are required to log in using a smartcard instead of a password. Is there a way of allowing our users to use the Andoroid/iOS Lync app, even though they don't ...
0 votes
1 answer
5k views

How does Microsoft Lync 2013 connect between clients during IM/calls?

I've done my own research in the UccAPI logs as well as opening a ticket with Office 365 support but the results are still muddled and confusing. I have yet to do full on packet captures to really ...
0 votes
2 answers
2k views

LyncClient.GetClient() not working when called via mvc on server

I have a tricky question and hope that someone could help me out (really important for me). My Site should make an automatic call via the Lync client if someone does a certain action on the website. ...
0 votes
1 answer
2k views

trying to install lync 2010 and experiecing an error with central management store

I'm trying to install Lync 2010 and i'm getting stuck in the stage where i have to install or point to the local configuration store. I've tried finding it in the domain and without luck, any ...
0 votes
1 answer
2k views

Remove Lync 2010 Standard

I am trying to remove my single server Lync standard install via the Topology Builder. By going in to my site -> Standard Edition Front End Servers -> Delete, i get the error A published pool hosting ...
2 votes
1 answer
5k views

How to configure Windows Firewall to protect the external interface but not the internal one?

Windows Server 2008 R2 SP1, running the Edge role of Lync Server 2010. One internal network interface connected to the company LAN, configured with a private IP address, subnet mask, internal DNS ...
0 votes
2 answers
4k views

Problems installing LYNC on non-domain controler

I have two servers in this set up. AD and EX, the domain is called mydomain.net The AD is a Windows 2008 Server (32 bit) with Active Directory installed AD only has it's own ip in the DNS-servers ...
0 votes
1 answer
149 views

Lync Edge and Exchange Server: how to have access to my exchange mailbox from external network and also to the OWA

I've some problem in the configuration of Exchange 2010. My topology is like that: Server1 = Domain Controller Server2 = Exchange Server Server3 = Lync Server Server4 = Lync Edge Our public address ...
1 vote
1 answer
397 views

LYNC - SIP "413 - Request entity too large" error to SUBSCRIBE requests

I'm currently trying to federate two Lync domains with one custom SIP proxy in the middle. The problem is that the front end server will reply "413 - Entity too large" to subscribe requests coming ...
0 votes
1 answer
1k views

Lync Server 2010 Installation problem on Windows Server 2008 R2

On Deploy -> Step 1: Install Local Configuration Store I get this error: Automatic collection of configuration data failed. All pre-requisites are met.
0 votes
1 answer
2k views

Office 365 NTLM authentication

Can I change the authentication mode for o365 from basic to ntlm? I'm having an issue where external users get prompted for MAPI login in Lync when they dont have Outlook open. I found an article ...
1 vote
2 answers
3k views

Lync Server 2010 standard: issue sharing powerpoint slide

I've installed Lync standard edition with: 1 front end server + 1 edge server. Lync web service running on 2nd NIC on front end server. When two external client (different LAN) trying to share a PPT ...
2 votes
1 answer
1k views

Lync Pool discovery issue in SCOM 2007 R2

Trying to get my Lync topology to show up in the SCOM 2007 R2 console. So far, I've done the following: Deployed the SCOM agent to the Lync servers Enabled Agent Proxy on all Front End servers in ...
1 vote
2 answers
691 views

Microsoft Lync and traditional telephone lines

We're looking into the new Lync server from Microsoft and I'd like to get to the basics. One of the vague questions for me is regarding external calls. How does Lync connect you to an external call? ...
0 votes
1 answer
88 views

Install the same Active Directory Schema extension again

is there any possibilty of problems, due to a 2nd time installation of the schema extension for a lync server, in an active directory childdomain of a forest? Replication overhead would not be that ...
2 votes
1 answer
232 views

Lync install on XP machines closes Office applications

Our company is in the process of deploying Lync to our users. We intend to use GFI LANGuard to deploy the software to client machines. In testing, the installation has gone smooth on both Vista and ...
2 votes
2 answers
6k views

Ports used for Lync Edge server

I have Lync 2010 Standard deployed in my environment, along with an edge server. On my firewall I have NAT'd the public address(s) to the server. Right now I have all the ports opened for these ...
0 votes
2 answers
776 views

Deactivate dead OCS 2007 R2 Edge Server?

I'm having a surprising issue where our old OCS 2007 R2 Edge server died of hardware failure (no backup) in the middle of our move to Lync. How can I forcefully remove the Edge server from the ...
1 vote
0 answers
600 views

Lync 2010, Kamailio, & Trixbox 2.6.23 (Asterisk 1.4)

I'm having an issue trying to connect Lync 2010 phone calls with our trixbox PBX. I've gotten to the point where Kamailio seems to be functioning properly and acting as a bridge between TCP traffic (...
0 votes
1 answer
120 views

Lync Automatic Sign in works for Lync client, but not on OCS R2 client

I'm having a strange issue. Currently I have Lync 2010 standard deployed in my environment. With the Lync client (v. 4.0) the automatic sign-in works fine. BUT, with my OCS R2 client, the automatic ...