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Skype For Business Web App On Mac Having Network Connectivity Issues

Skype For Business Web App On Mac Having Network Connectivity Issues Troubleshooting
Skype For Business Web App On Mac Having Network Connectivity Issues Parks And Rec
Skype For Business Web App On Mac Having Network Connectivity Issues Windows 10
Skype For Business Web App On Mac Having Network Connectivity Issues Working
-->Skype For Business Web App On Mac Having Network Connectivity Issues TroubleshootingTesting Session / Connection Quality Apps: Lync / Skype Test Call. Both Lync and Skype have the ability for you to do a test call that is recorded and played back to you. This is in the box and can give a very quick and easy assessment of the quality of your connection: Lync has a check button on the dial pad, Skype has an Exch / Sound Test. Sign out of all Skype for Business apps on all devices. Sign out from or disconnect desk phones or applications provided by peripheral manufactures (such as headsets) that have a Skype for Business connection. Sign in to the Skype for Business app on Mac, iOS, or Android. Wait five minutes and check the contact information. Continuing down the list of Skype's most frequent issues, let's cover the connection problems that many users seem to experience every now and then. Reportedly, under certain conditions, Skype won't sign in Mac. There are several reasons as to why you're having connection issues. Firstly, it may be due to an incorrect password or login.
Bug: Unable to send a message in Skype for Business If you are sending a message to an individual Skype for Business account, but the operation fails, there are two likely culprits. Skype for Business Web App Plugin Issue with MAC users. I have a Skype for Business 2015 server, there was a need to integrate it with Asterisk, when I had.
ProblemWhen you try to share a PowerPoint presentation from Lync 2010 or Lync 2013 in Skype for Business Online (formerly Lync Online), you experience one of the following symptoms:
SymptomCauseResolution
When you try to share a PowerPoint presentation through Lync 2013, you receive the 'Some sharing features are unavailable due to server connectivity issues' error message.Lync 2013 can't contact the Office Online PowerPoint server. Skype for Business Online sends a valid connection URL, but Lync 2013 can't connect. This might be caused by Domain Name System (DNS) resolution or firewall restrictions.See 'Network troubleshooting' in the 'Solution' section.
When you try to share a PowerPoint presentation through Lync 2013, you receive the 'Sorry, but Presentation Template .pptx can't be uploaded. We're having difficulties connecting to the service. If this keeps happening, you might want to contact your support team' error message.Typically, this is a problem with the Skype for Business Online service. If the Skype for Business Online servers can't connect to the Office Online server, they won't send a connection URL to Lync 2013.Check the Office 365 Service Health Dashboard for outages.
When you try to share a PowerPoint presentation in Lync 2010, you receive the 'There was a problem converting the PowerPoint Presentation' error message.The PowerPoint presentation is already open, is corrupted, is password protected, is of the wrong file type, or contains features that are unavailable in Lync.[See 'Check the integrity of the PowerPoint presentation' in the Solution section.
The organizer of the meeting uploads PowerPoint slide images. However, the PowerPoint slide images aren't displayed correctly.Some kinds of media within PowerPoint presentations aren't supported.[See 'Check the integrity of the PowerPoint presentation' in the Solution section.
A meeting participant can't save shared content in any format, such as a native format or an XML Paper Specification (XPS) format.Usually caused by permissions issues with the destination directory, certificate issues, or a problem with the Microsoft XPS Document Writer.[See 'Check local permissions and settings' in the Solution section.
SolutionNetwork troubleshootingVerify that the network meets the requirements for connecting to Skype for Business Online. For more information, go to the following Microsoft Knowledge Base article: 
2409256 You can't connect to Skype for Business Online, or certain features don't work, because an on-premises firewall blocks the connection
Additionally, make sure that the 65.54.54.0/24 IP range is open in your firewall. This range covers the Office Online server from which PowerPoint presentations are streamed.
Check the integrity of the PowerPoint presentationIf a static image isn't displayed correctly, try to reproduce the issue by using the same .ppt file that contains the image. Then, try to reproduce the issue by using a different .ppt file that contains the same image.
Be aware that some content (video, multimedia, and so on) will be removed from the deck during the upload process.
Verify that the PowerPoint presentation that you want to upload isn't open anywhere else on the system.
Verify that the PowerPoint presentation isn't protected by Information Rights Management (IRM).
Verify that there are no open dialog boxes in PowerPoint. (For example, a dialog box appears when you click File and then click Open.)
Check local permissions and settingsSkype For Business Web App On Mac Having Network Connectivity Issues Parks And Rec

Symptom	Cause	Resolution
When you try to share a PowerPoint presentation through Lync 2013, you receive the 'Some sharing features are unavailable due to server connectivity issues' error message.	Lync 2013 can't contact the Office Online PowerPoint server. Skype for Business Online sends a valid connection URL, but Lync 2013 can't connect. This might be caused by Domain Name System (DNS) resolution or firewall restrictions.	See 'Network troubleshooting' in the 'Solution' section.
When you try to share a PowerPoint presentation through Lync 2013, you receive the 'Sorry, but Presentation Template .pptx can't be uploaded. We're having difficulties connecting to the service. If this keeps happening, you might want to contact your support team' error message.	Typically, this is a problem with the Skype for Business Online service. If the Skype for Business Online servers can't connect to the Office Online server, they won't send a connection URL to Lync 2013.	Check the Office 365 Service Health Dashboard for outages.
When you try to share a PowerPoint presentation in Lync 2010, you receive the 'There was a problem converting the PowerPoint Presentation' error message.	The PowerPoint presentation is already open, is corrupted, is password protected, is of the wrong file type, or contains features that are unavailable in Lync.	[See 'Check the integrity of the PowerPoint presentation' in the Solution section.
The organizer of the meeting uploads PowerPoint slide images. However, the PowerPoint slide images aren't displayed correctly.	Some kinds of media within PowerPoint presentations aren't supported.	[See 'Check the integrity of the PowerPoint presentation' in the Solution section.
A meeting participant can't save shared content in any format, such as a native format or an XML Paper Specification (XPS) format.	Usually caused by permissions issues with the destination directory, certificate issues, or a problem with the Microsoft XPS Document Writer.	[See 'Check local permissions and settings' in the Solution section.

Verify that you have the correct certificates in Certificate Manager. To do this, follow these steps:
Open Certificate Manager. To do this, click Start, click Run, type certmgr.msc, and then click OK.
Expand Personal, and then expand Certificates.
Click the heading for the Issued By column to sort the column, and then look for a certificate that's issued by Communications Server.
Verify that the certificate is present and isn't expired.
If the certificate is expired, right-click the certificate, point to All Tasks, and then click Delete.
Try to sign in to Skype for Business Online. This action will download a new certificate if sign-in is successful.
Verify that you have the appropriate permissions to save to your target destination.
Verify that the user has permissions to save content. Have a presenter open the content bin (or attachments, if the file is an attachment), click the right arrow (or right-click), and then click Make Available to. Make sure that Make Available to is set to the role of the person who is trying to save the file.
If you save to a network location, verify that you have Read/Write permissions to the network share.
If you can't save content in the XPS format only, check the XPS print queue. To do this, click Start, click Devices and Printers, open the Microsoft XPS Document Writer, and then delete all pending jobs that seem to be stuck.
More InformationIn the Lync 2013 log files, you notice an entry that resembles the following if you can't connect to the Office Online server:For the second error message, if Skype for Business Online can't send you a connection URL, you see the following entry in the Lync 2013 log files:
Still need help? Go to Microsoft Community.
Skype for Business uses these ports and protocols:
Skype For Business Web App On Mac Having Network Connectivity Issues Windows 105061 TCP (SIP) - Used for SIP/MTLS authentication of A/V users. Communications flow outbound through the internal firewall Skype For Business Web App On Mac Having Network Connectivity Issues Working
443 TCP (HTTP) - Used by Skype for Business clients/Lync connecting from outside the intranet for SIP communications 
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1024-65535 UDP/TCP - Port range used for inbound and outbound media transfer through the external firewall 
6891-6901 TCPPort range used by Skype for Business/Lync clients for file transfer
Make sure your firewall is not blocking these and it should work. I suspect that it is a firewall issue since it works internally on the same network.