Test your system's compatibility for flash player, browser, operating system, and port settings.
System configuration requirements
Flash player 10.3 or later
Browser Internet Explorer, Chrome*, Safari, Firefox, Opera
Operating system Mac OS X, iOS, Microsoft Windows, Android, Linux
Port 1935 RTMP or Port 80 Should be open
*Users on Chrome browser must upgrade the browser to version 28.0.1500.72 or above for better Audio/Video experience in the Virtual Classroom.
You need Flash Player version 10.3 or later.
Chrome version may result in audio/video issues.
The version of your Chrome browser may seriously impair audio/video quality in the Virtual Classroom. This may result in lag or disturbance in audio/video streaming of live classes. This issue occurs in Chrome version 21 or above on window operating system and Chrome version 23 or above on Mac.
These requirements are based on one-on-one scenarios in virtual classroom.
Internet connection speed requirements
Use in Virtual Classroom Minimum speed Suggested speed
Only audio session 44 kbps 256 kbps
Audio session + other features* 300 kbps 512 kbps
Only video session 106 kbps 512 kbps
Video session + other features* 356 kbps 1 Mbps
*other features include screen sharing, watching YouTube or other videos, sharing content etc.
Testing internet speed
Test the availability & compatibility of Java plugin version required to share your screen in the Virtual Classroom.
Important: Java plugin is required only if you are a presenter. Attendees and viewers do not need to install Java plugin.
For sharing screen, you require Java version 1.5 or later.
The test for screen sharing failed. What should I do?
If the test for screen sharing fails, you might have to check the status of Java plugin for your browser.
There could one of the following two reasons for failure:
1. Java plugin is disabled. Resolve it by going to browser settings and enable Java plugin
2. The Java version might require an update. Go to Java.com and update
For issues related to audio/video streaming and screen sharing, try one of the following fixesFix 1
* If you do not have NPAPI type of Shockwave Flash plugin, then download the latest version of the Flash Player from Adobe. On the download page, you may see a message: Adobe Flash Player is built-in but has been disabled. Ignore this message and uncheck the “Yes, install McAfee Security Scan Plus – optional” option before downloading the Flash Player.