1. Microsoft Web Lync App Mac Not Showing Shared Presentation Software
2. Microsoft Web Lync App Mac Not Showing Shared Presentation On Computer
3. Microsoft Web Lync App Mac Not Showing Shared Presentation Free

2017-8-2  Unable to view Screen Share Unable to view a user's screen sharing. Only Mac app seems to be the issue. It happens in all calls where someone tries to share a screen. I am the only Mac client who cannot see it. I've tried multiple times to view a presentation and nothing works. Is this macOS centric or just a flawed App? Lync Web App is designed mainly for external partners, such as salespeople, who are invited to Lync meetings, but it is also useful for employees who are not at their usual computer at meeting time, or have not yet upgraded to Lync 2010. To check whether you or a colleague will be able to use Lync Web App, see Supported platforms for Lync Web App.

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Outlook on the web (Outlook Web App) in Office 365 offers a basic Skype for Business web client from the navigation bar. This basic client is available for Online users whose admin hasn't configured a vanity URL for their Office 365 organization. As long as the user's account is online and doesn't have a vanity URL, they will still see the experience even if their organization has some user accounts that are homed on-premises. Users who have user accounts on-premises (whether they have a vanity URL or not) or are managed by Microsoft will see the Lync experience in the Outlook web app.

The following table summarizes the different setups that you may have and the web client that is used.

User account is located	Vanity URL is configured or there is a dedicated organization	Skype for Business or Lync Experience?
Online	No	Skype for Business web experience
Online	Yes	Lync web experience
Hybrid but homed online	No	Skype for Business web experience
Hybrid but homed online	Yes	Lync web experience
Hybrid but homed on prem	No	Lync web experience
Hybrid but homed on prem	Yes	Lync web experience
Pure on prem	No	Lync web experience
Pure on prem	Yes	Lync web experience

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Symptoms

Consider the following scenario. Microsoft bluetooth arc mouse mac.

• You join an online meeting by using the Skype for Business Web App or Lync Web App on macOS High Sierra 10.13 (including beta versions).
• Someone in the online meeting shares their desktop.

In this scenario, you see only a black screen instead of the shared desktop.

This problem occurs when the meeting is hosted in Skype for Business Server 2015 or Lync Server 2013. This problem doesn't occur if the meeting is hosted in Skype for Business Online.

Workaround

Skype for Business Web App

To work around this issue for Skype for Business Web App, use the Skype Meetings App instead. To do this, the system administrator must follow these steps:

1. Install the May 2017 update for Skype for Business Server 2015.
2. Enable the Skype Meetings App by following the instructions in the 'Enable Skype Meetings App' section of Deploy Web downloadable clients in Skype for Business Server 2015.

After these steps are done, web app users will automatically use the Skype Meetings App when they join a meeting.

Lync Web App

There is no workaround yet for this problem for Lync Web App.

Microsoft Web Lync App Mac Not Showing Shared Presentation Software

Status

Microsoft is working closely with Apple to resolve this problem.

More information

This issue can also occur when the camera isn't granted access permission to Skype for Business.

Microsoft Web Lync App Mac Not Showing Shared Presentation On Computer

1. Select Apple menu > System Preferences, select Security & Privacy, and then Privacy.
2. Grant Skype for Business access to the camera. You will be prompted to restart Skype for Business.
3. Check if the issue is resolved after the restart.

Microsoft Web Lync App Mac Not Showing Shared Presentation Free

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