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Skype is for doing things together, whenever you’re apart. Skype’s text, voice and video make it simple to share experiences with the people that matter to you, wherever they are.

With Skype, you can share a story, celebrate a birthday, learn a language, hold a meeting, work with colleagues – just about anything you need to do together every day. You can use Skype on whatever works best for you - on your phone or computer or a TV with Skype on it. It is free to start using Skype - to speak, see and instant message other people on Skype for example.

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Hi Exeprts

we have Skype for business server standard edition

it work normally with many users

but for some other users it work for chat and video calls and share desktop

but for whiteboard sharing or poll or Q&A  the user get error (( pls check the attached file ))

so the issue i think not on the server level because other users work without an issue

it is not user or server issue

it is the pc itself


i removed every security update start with KB314

but still the same

kindly advice
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I've been struggling with VOIP call quality. One thing I notice is where calls to PSTN or Conference are made from work on the west coast or from home on the west coast - the traffic takes a 100ms trip to the east coast to get to the Skype voice control and RTP gateways. Is there any way this can be altered so you can use gateways on the west coast to reduce hops and delay to the Skype voice gateways?
Can this be done from an Admin/Compliance/Audit point of view?
Normally I've seen MOS scores on a 1 to 5 point scale. But in Skype for Business Call Analytics they're expressed a decimal. e.g.

Average network degradation 0.009717 MOS

What are they saying? Is that a 4.93 MOS score?
We just bought annual plan for Office 365 Proplus and our major reason was to use Skype for Business which was included. I'm very new to Skype for Business. Below is what I've done so far:
1.      Created Office 365 users at the office.com portal and assigned licenses to them
2.      Initially used the default domain (abc.onmicrosoft.com) to create users
3.      Later created a custom domain for the company in the form of abc.com and made it default and changed the users to be @abc.com from previous @abc.onmicrosoft.com
4.      Installed Office 365 ProPlus on some client systems
5.      Created the 2 CNAME records required for Skype for Business at abc.com domain host
6.      Created the 2 SRV records required for Skype for Business at abc.com domain host
7.      Both the CNAME and SRV records created above are resolving properly at the DNS host when tested.
8.     When we launch Skype for Business client on our systems and try to sign-in, we get this error:  “Skype for Business couldn’t find a Skype for Business Server for abc.com…………………….”

The status of abc.com domain @ Office 365 Admin centre>domains is "Possible service issues" and further navigation gives the DNS errors below:
Incorrect DNS records
Any errors are highlighted below.
Nameservers used: ns1.thirdpartyhost.com, ns2.thirdpartyhost.com
If there are errors, correct the corresponding DNS records for abc.com at your DNS host.  (Not your DNS host?)
After correcting these records at your DNS host, refresh the page using the
The typo problem is that the email address that's needed in the downloading of Skype has a spelling error.

The typo persists even despite my use of Revo Uninstaller. This fails to delete the defective email address.

Is there any way of searching for, finding, and correcting the email address, Experts, please?

We are getting skype authentication prompt upon login. Beside entering the login credentials these prompts keeps appearing again.

We are using Lync 2013 (15.0.4953.100) 32-bit.

Upon searching for Microsoft update patches (http://support.microsoft.com/kb/2825630) for Lync 2013 I found a patch which is required to fix the issue but as I try to install the patch which seem not installed already i get below error message. Not sure why the patch fails to find the installed application?

We're running into call quality problems and I think part of the problem is that the VOIP real time packets are traversing many hops to the other side of the country before they finally make it into Microsoft/Skype network. My question: Is there any way to choose which gateways to use for peering with Skype for Business 365?
For Skype for Business O365 MS offers a Call Quality Dashboard that shows quality trends. e.g. 1000 good calls, 20 unclassified, five poor calls. But I'm not seeing a way to search what were those five poor calls and when did they happen, what was the latency or jitter, etc etc. Am I missing something? How do I drill into call quality with this tool? Or are there other tools that would get this done?
We have issue where users do not see correct status in Skype for Business clients. Workstation is Win 10 + Office 2016 either click to run or onpremise client package.
SfB client version 16.0.8431.2046 32-bit
SfB is on-premise and exchange is O365.

From event logs I find this error:
A SIP request made by Lync failed in an unexpected manner (status code 80ef01e0). More information is contained in the following technical data:

 RequestUri:   sip:user1@company.com
From:         sip:user2@company.com;tag=151b394671
To:           sip::user1@company.com;tag=4ABB20210315AE4DB3DE2279D7CAD5C8
Call-ID:      0d3bda0b51fb42d3ad7de5fe29def2f9
Content-type: application/sdp;call-type=im

o=- 0 0 IN IP4
c=IN IP4
t=0 0
m=message 5060 sip null
a=accept-types:text/plain multipart/alternative image/gif text/rtf text/html application/x-ms-ink application/ms-imdn+xml text/x-msmsgsinvite

Response Data:

101  Progress Report
ms-diagnostics:  25008;reason="Attempting to route to Primary Pool";source="SERVER1.COMPANY.COM";clusterFqdn="Ent-editionpool.company.com";routingType="ToRouting";appName="InterClusterRouting"

480  Temporarily Unavailable
ms-client-diagnostics:  52116;reason="Remote participant unavailable";OriginalPresenceState="3000";CurrentPresenceState="18000";MeInsideUser="Yes";ConversationInitiatedBy="6";SourceNetwork="2";RemotePartyCanDoIM="Yes"

If this error continues to occur, please contact …
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We have recently moved over to O365 and started using Skype for Business. Although it works ok-ish on desktop/laptop platforms, it seems to have an issue with iOS and Android devices.

For example, if i download the skype for business App on my iPhone and sign on, very often it will display the message "We can't connect to Exchange. Please try again". It would disappear after a few seconds, but happens way to often. It happens on Wi-Fi and 4G and on different devices on different networks. Also messages sent from iPhone don't seem to Sync onto the desktop/laptop.

Has anyone had any experience with this?

We have been having audio trouble with S f B Online phones that are on the usual SonicWALL TZ600 WAN>LAN.  Even though VOIP settings, Qos and bandwidth management are enabled.  We still get delay, echo and other audio un-pleasantries.  I decided to move the phones, Polycomm and an Audiocodes to a DMZ port on the TZ600.  They are now sounding better but I am concerned about the security.  It seems that Polycomm has updated firmware that locks off port 80 and 43, but I am wondering about other possible danger.

Computers remain on the filtered and trusted LAN.

This gives up the "Better together over Ethernet" stuff that happens if you connect the computer through the phone switch, but the audio suffers and that is not ok.  We are used to excellent PRI audio and will not suffer worse.

Other environmental issues are that there is also a site-to-site VPN between another TZ600 at the main office (this is a branch office) and I believe is Comcast 150/10 cable modem service here and 100/10 at the main.  Another reason I moved the phones to the DMZ was to give them DNS Servers off of the VPN, and their own DHCP range, since the VPN needs to have the main office dns server for connectivity.  So WAN IP is fixed from Comcast, LAN is 192.168.168_ and DMZ is 10.101.101_

I am convinced it is not bandwidth, but deep packet inspection and dns that is primarily at fault with the audio.

Points given for most helpful response, thank you.
I would like to have better analytics of call quality over time. Is there any way to have a server at each site and run a nailed up simulated call between the two and gather metrics like loss, jitter, MOS, latency etc etc? Anything from MS? Other?
Hi all,
I Have a Skype for Business on prem install with a single Front end server and Edge server. Afte rinstalling I have since enabled federation so that my SKype users can add users from other domains.

I downloaded the current topology, made the relevent chages then republished.

However, its my understanding I have to rerun the installion on Front End and Edge server in order for the topology to be loaded?

Can anyone offer assistance with this?
Does anyone know the simplest process to export Basic Skype contacts to Skype for business contacts?
Skype for business doesn't allow me to import *vcf extensions.
I am unable to add, remove or move contacts or groups in Skype for Business (Office365 2016).
Whichever operation I try I see the error:
   "Cannot add, remove or move contacts or groups at this time.  Please try again later."

I see a lot of similar, frustrated S4B/Lync users on Google with the same problem.
Other S4B functionality appears to work normally - I am able to search users and make/receive calls and IMs, I just can't add them to any groups.

I have tried deleting my SIP folder and AccountProfile.dat, but am still experiencing the same problem.  Other users within the same operation do not have the same issue.  I have tried it with Outlook as my default email and contact programme and without.  

Any better ideas?

When ever i use skype for basic chat the output on the screen shows first in non-italic characters and then repeats itself in italic characters.  Is there any way to shut this off and have it all appear as just one non-italic output?
I have an old Lync 2013 installation that had some group policies attached to them to disable "Personal" settings" under Exchange and Outlook Integration.  I just installed O365 and now my Skype for Business client is getting hit with the policies and it will not connect.

Policy has been removed from server.  I've forced my policy to update.  I've looked through registry for old references of Lync 2013 and deleted them.  Nothing seems to fix the issue.  New installations of O365 are working fine.  Any way to locate why my O365 Skype client is disabling these features?

Good day.

Our company is e-commerce so Facebook and other social media are vital in the production process.
However, we need to control the use of Facebook, Skype, etc. in the production floor.
Hence, we need to allow only the Facebook accounts created by the company so that when the agent try to log in using his personal Facebook account, it will not proceed.
We need this to be implemented in Skype and other website or applications.

Can you recommend a proper proxy technology for this?

We appreciate your response.


We have a working S4B setup and are trying to add Director role.
We deploy new Director VM, add it to S4B topology, deploy necessary certs.
We change DNS to point lyncdiscover to Director, redirect TCP/443 to Director instead of FE (same port 4443).
But authentication does not go through.

Any clue how to troubleshoot?
Guys i have New nexus 7010 what is the best practice to create VDC and do i need to create VPC for each VDC .
Can some one suggest me with Template or site where i can get Guide for deployment of new nexus.
i have SUP2E where i can create 8+1
i have Cisco installation and VPC Fundamental from Cisco.

I am looking for real world scenerio.

skype : - cciekw






Skype is for doing things together, whenever you’re apart. Skype’s text, voice and video make it simple to share experiences with the people that matter to you, wherever they are.

With Skype, you can share a story, celebrate a birthday, learn a language, hold a meeting, work with colleagues – just about anything you need to do together every day. You can use Skype on whatever works best for you - on your phone or computer or a TV with Skype on it. It is free to start using Skype - to speak, see and instant message other people on Skype for example.