I'am currently working on Migration from Lync Server 2010 to Skype For Business Server. My current problem is how to get external users to Connect to Meetings from the Simple-URL meet.contoso.com This Works fine in the current Lync 2010 environment. When i move my user to the S4B pool,. Hi, The issue not related with Office Web APPs Server.

There are several advantages for using Skype for Business for instant messaging, video conferencing, audio conferencing, and screen sharing with other team members within your organization. You can also use Skype for Business to communicate with external users that are not part of your company’s network. Depending on various factors, external users may have problems joining the Skype for Business meeting, or they may not have a Skype for Business client installed on their computer. I won’t list all the possible scenarios in this article that may cause problems, instead I will focus on the solution for a common scenario. There are multiple versions of Skype and there are just too many possible scenarios where users may have issues joining a meeting. If you want to know more about different Skype for Business clients, check out my article The Many Versions of Skype for Business.

Things can especially get confusing for people who are trying to join your meeting and have a version of Skype for Business installed but they are not part of your company. This is due to the fact that they are part of a non-federated domain and are trying to join a meeting in your domain as an authenticated user. When the Skype for Business client is installed on a computer it will automatically attempt to join using the full Skype for Business client, rather than Skype for Business Web App. In some cases the individual on the other end (the external user) may not have Skype for Business installed and they are unclear as to which client they should install. Either way, if you know a couple of things that I am going to share, you can get the external user from a non-federated domain connected to your meeting fairly easily.

PROBLEM

You create a Skype for Business meeting request and send it to an “external user” that is not part of your domain. She already has Skype for Business installed on her computer but she is unable to join the meeting. The reason she is unable to join your meeting is that she is part of a different, non-federated domain and is trying to join a meeting in your domain as an authenticated user. Because she has the Skype for Business client installed on her computer, the client automatically attempts to join her using the full Skype for Business client, rather than Skype for Business Web App. Even if she doesn’t have the Skype for Business client installed, she may not know exactly which client she should download and install. Either way, if you know a couple of things that I am going to share, you can get this external user connected to your meeting fairly easily, even from a non-federated domain.

SOLUTION

The solution is to force the external user to use Skype for Business Web App. Unfortunately, Skype for Business doesn’t give you any control or options for selecting a different method. It automatically forces you to use the default method for connecting to a meeting, which is Skype for Business client. Follow my instructions below to force user to connect using Skype for Business Web App when necessary.

For the sake of this article, I will assume your company is using Office 365 and you are running Skype for Business client that’s part of Microsoft Office 2016. Follow the instructions below.

1-Start Skype for Business if its not already running.

2-In your Skype for Business client Click Meet Now. You could also schedule a meeting but I am using this as an example to quickly start a meeting without going through the process of scheduling a future meeting.

3-Click OK to accept the default setting for using full audio and video experience.

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4-Once the meeting starts. Click the ellipsis in the lower right hand corner and then select Meeting Entry Info.

5-Copy the entire meeting link, which will look something like this:https://meet.lync.com/contoso/username/26MB4THW, where Contoso is the name of your domain and the username is the name of the user who setup the meeting. You will notice that the meeting link always has the user’s name and then the 8-character meeting number at the end of your company’s standard URL.

6-Add ?SL= at the end of the URL and give the meeting link to the external user(s). By adding ?SL= to the URL, the external user will be forced to use the Skype for Business Web App.

NOTE: I have noticed that I am not limited to using ?SL=. In my tests I was able to use ?SL=0, ?SL=1, ?SL=2, ?SL=3, etc. and didn’t notice any difference . If your experience is different, please leave a comment.If the external user has Skype for Business installed, her system will automatically try to use Skype for Business to join the meeting and would not be able to join the meeting. If the external user doesn’t have Skype for Business and downloads and installs the Skype for Business client, she will still be unable to join the meeting because she will still not get an option to use Skype for Business Web App and will end up using the Skype for Business client from a non-federated domain. When the external user uses a URL that you sent her, with ?SL= added to the end of the URL, she will be forced to use the Skype for Business Web App and can successfully join your meeting. The URL may look something like this:

1. https://meet.lync.com/contoso/username/26MB4THW?SL=.

7-When the external user clicks the meeting URL you sent her, she will see a screen that looks similar to the one below. She should simply click Join the meeting and install the Skype for Business Web App plug-in, rather than clickingSign in if you are an Office 365 user because that will take her to her Skype for Business client. The Skype for Business Web App plug-in is necessary not only for audio and video but also for screen sharing during a Skype for Business meeting and is only installed in your browser if it doesn’t already exist.

8-When you start the meeting, make sure that you do not use ?SL= at the end of your URL because you are the organizer of the meeting. Otherwise, you will be joining the meeting as a guest and will not be able to have all the proper controls.

9-Once the user has joined the meeting, you should both be able to use various features of Skype for Business normally.

HELPFUL NOTES & TIPS

1. As an organizer, make sure that you DO NOT use ?SL= at the end of the URL. Only the external users should use ?SL= at the end of their URL.
2. This technique will work whether you want to setup a quick Skype for Business meeting with someone that’s not on your company’s network using Meet Now option as described in step #2 above, or you want to schedule a meeting for a future date.
3. This technique will also work for any external user whether he/she resides in United States or another country.
4. If someone sends you a Skype for Business meeting invite from another company (a non-federated domain), simply add ?SL= at the end of the URL so you are forced to use the Skype for Business Web App client to connect to their meeting.
5. Use Internet Explorer for best results because some of the features in Skype for Business may not work in other browsers.
6. If the external user is able to join the meeting but the audio is not working, it’s likely that he/she didn’t join the meeting with Skype for Business Web App. Ask the user to exit the meeting and join again using Skype for Business Web App, as described in step #8 above.
7. Make sure that the external user has Silverlight installed in the browser. Silverlight is required for some of the advanced features of Skype for Business.
8. Have the external user clear the browser cache and close all browsers, if he/she is having difficulty joining the meeting.
9. This solution doesn’t apply to every possible scenario. The external user may not be able to join the meeting because of other issues, such as problems with the audio device or driver, firewall issues, compatibility issues with browser add-ons, etc.
10. If the user is having a problem installing the Skype for Business Web App plug-in, ask him/her to follow the instructions in Microsoft’s article Trouble installing the Skype for Business Web App plug-in?

Table Of Contents

• 4 Ways To Remove Skype For Business
  • Office Support Removal Recommendation
• How To Do A Silent Uninstall

If you’re looking to remove Skype for Business, we’ve compiled some solutions below.

We’ve included both Windows and Mac guidelines- scroll down for both.

We first defer to Office Support’s guidelines, which we’ve summarized below. But we listed some extra ones that we found from around the internet.

It’s important to note that if you’re using Office 365 Skype for Business, it isn’t possible to uninstall it from your computer without also removing the rest of the Microsoft Office suite.

4 Ways To Remove Skype For Business

Office Support Removal Recommendation

First Step: Prevent Skype for Business from starting up automatically

1. In Skype for Business, select the tools icon and navigate to Tools > Options.
2. Select Personal, then un-select Automatically start the app when I log on to Windows and Start the app in the foreground.
3. Then select OK.
4. Select File and then choose Exit.

Second Step: Get rid of Skype for Business from your personal computer.

Microsoft says that if you use Office 365 Skype for Business, it’s not possible to remove it from your personal computer without also removing the rest of the Microsoft Office suite.

This is due to the fact that it’s incorporated with the other Office apps. The subsequent guidelines are suitable for customers who’ve standalone versions of Skype for Business.

1. Head to Control Panel > Programs > Programs and Features > Uninstall or change a program.
2. Choose Skype for Business and select Uninstall. (If you do not see Skype for Business shown, then you are utilizing a version that’s integrated with other Office 365 apps. The only method to un-install it is to get rid of all of Office from your computer.)
3. Within the Control Panel, select Uninstall Programs, after that pick Skype for Business
4. At the Ready to Uninstall? prompt select Uninstall.
5. When it is done uninstalling itself, select Close.

Video Walk-Through: How to Uninstall or Remove Skype for Business in Windows 8 / Windows 10

The video creator walks through how to remove Skype for Business from Windows 8 and Windows 10 operating systems.

How To Remove Skype For Business On Macs

Microsoft Support has an article that articulates how to do a ‘clean’ uninstallation of Microsoft Skype for Business on Mac.

To completely un-install Skype for Business on a Macintosh co, use the steps below:

1. Get on your personal computer through the use of administrative credentials.
2. Exit Skype For Business on Mac in the event that it’s operating.
3. Drag the Skype For Business on Mac program to the Trash.
4. Get rid of the existing Skype preferences if these hidden files exist.

To get this done, use these steps:

1. In the Finder menu, click on Go, and click on Go to Folder.Delete the subsequent files:/Users/<User>/Library/Containers/com.microsoft.SkypeForBusiness/Users/<User>/Library/Logs/LwaTracing/Users/<User>/Saved Application State/com.microsoft.SkypeForBusiness.savedState/Users/<User>/Preferences/com.microsoft.SkypeForBusiness.plistErase the following file:/Library/Internet Plug-Ins/MeetingJoinPlugin.plugin
2. Within the Applications/Utilities folder, open up Keychain Access.
3. Inside your logon keychains, erase Skype for Business.

Maybe It’s Malware?

If you’ve got computer problems, try some of the following software solutions:

1. Malwarebytes: protects you against malware, ransomware, malicious websites, and other advanced online threats that have made traditional antivirus obsolete.
2. Kaspersky Anti Virus: It is designed to protect users from malware and is primarily designed for computers running Microsoft Windows and macOS.
3. Advanced SystemCare: It’s a Swiss Army Knife of a PC utility. It comes with a suite of optimization tools, including an uninstaller, one-click registry fixes, defragmenters, and more.

Registry Removal Option

If the above instructions aren’t effective for you, then an alternative choice is to disable it in your registry.

You’ll be erasing any Skype records from the Registry- but be careful: major issues may happen if you change the Registry improperly, so be sure you follow these steps from Microsoft meticulously.

To be safe, it’s wise to back up your Registry prior to making any modifications.

For guidelines, check this out in the Microsoft support community.

1. Select the Windows and R keys simultaneously, then type in regedit in the Run dialog and click on OK.
2. The Registry Editor should be on screen.
3. Click Edit > and then Find.
4. Type Skype into the Find box and click on Find Next.
5. Use right-click to delete all the search listings (Microsoft reports that there can be up to 50 of them).

NOTE: Employing Registry Editor improperly may cause major issues that might require you to reinstall your operating-system.

Microsoft says it cannot ensure that difficulties resulting from the incorrect use of Registry Editor can be solved. Make use of Registry Edit at your own discretion.

An Experts Exchange Hack

A blogger over at Experts Exchange was having a difficult time removing it- he listed out a bunch of things he tried, including:

• Modifying the startup setting in the Skype for Business application options,
• Removing Skype for Business from the Office installation,
• Completely removing Microsoft Office 2016 Pro plus as well as Skype for Business,
• And disabling Skype for Business from the Microsoft Windows startup list within Windows Task manager.

The fix that worked requires downloading the Office 2016 Deployment Tool and modifying a configuration.xml file.

Check out the step by step guide for this fix over on Experts Exchange- it’s the 5th one.

How To Do A Silent Uninstall

Silent uninstalls, or quiet uninstalls, are usually carried out to make the uninstall process simpler and require less attention from the end user.

One Skype user said that you can follow Microsoft Technet instructions to conduct a Skype for Business silent uninstall. Specifically, they say that you’ll need to run Setup to remove the desired software from the user’s personal computer.

You’ll have to determine the value of [ProductID] in the Setup.xml file for the software product you’re looking to remove.