--- title: Active Learning (Beta) known issues & limitations description: 1100 plus active learning known issue workaround troubleshooting remedy --- [Skip to content](https://commercial.screenbeam.com/en/support/active-learning-beta-known-issues-limitations#main-content) English Show submenu for translations [![ScreenBeam logo](https://commercial.screenbeam.com/hs-fs/hubfs/ScreenBeamLogo-Zendesk-2.png?width=180&height=22&name=ScreenBeamLogo-Zendesk-2.png)](https://www.screenbeam.com/) Open main navigation Close main navigation - English Show submenu for translations - [Open Ticket](https://helpdesk.screenbeam.com/ticket) [Open Ticket](https://helpdesk.screenbeam.com/ticket?hsLang=en) How can we help? - There are no suggestions because the search field is empty. 1. [Commercial Knowledge Base](https://commercial.screenbeam.com/en/support?hsLang=en) 2. [Known Issues & Troubleshooting Tips](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en) 3. [Active Learning](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#active-learning) # Active Learning (Beta) known issues & limitations This article applies to ScreenBeam 1100 Plus product. The following issues have been identified in this beta release on version 11.1.19.0. Workarounds are provided where applicable.   1\. Controller with more than 6 display thumbnails exceed the intended display range Remedy: Connect less than 6 total displays.   2\. Controller thumbnails flash for a few seconds upon connect and disconnect Remedy: Allow a few seconds for stabilization.  3\. Active Learning does not support “Single” or “Quick Switch” mode, but setting allows it without a warning Remedy: Do not change the Display Mode to Single or Quick Switch. 4\. Connect AirPlay source while there's existing screen sharing may produces a black screen  Remedy: Do not connect with another source.  Only 1 device can connect at a time. 5\. While in an Alert state, there's no error message on the controller when a sharing connection fails Limitation: This is expected.  Make sure to avoid using Alert for this version. 6\. Controller thumbnails disappear after receivers received Alert message Limitation: This is a bug. Make sure to avoid using Alert for this version. 7\. Some controller thumbnails display a black screen or freeze after the network is lost  Limitation: This is a bug.  Make sure the network connection is available. 8\. AL Username allows 128 characters in CMS but only 16 in LMI Limitation: This is a bug on CMS.  Only 16 characters should be supported for the username. 9\. Admin browser's header name is duplicated with Controller's header Limitation: This is a bug.  The Controller should be setup on a separate tablet or PC with touch screen. 10\. Mirrored video volume cannot be adjusted for secondary displays Limitation: This is is a bug.  Adjust volume directly on the secondary displays.  11\. Chromecast streaming quality is poor - blurry Remedy: Avoid using Chromecast for mirroring. 12\. Safari cannot access the control URL ([https://192.168.xx.xx:5000/admin/](https://192.168.xx.xx:5000/admin/)) Remedy: Use Chrome or Edge instead. Safari users may manually enable “Allow Insecure Connections” where permitted.  13\. CMS allows empty AL Username and Password without error Limitation: This is a bug. 14\. Changing AL Room in CMS does not restart the receiver Remedy: Manually restart the receiver to apply the new AL Room setting. 15\. Enabling AL does not disable MultiBeam Limitation: MultiBeam is not supported for Active Learning.  Manually disable MultiBeam in receiver settings before enabling AL to avoid conflicts. 16\. BrowserCast does not work in Active Learning  mode Limitation: This is a bug.  - [FAQs](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#main-content) - [CMS Enterprise](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#cms-enterprise) - [Screen Mirroring](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#screen-mirroring) - [Miracast](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#miracast) - [Conference](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#conference) - [General](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#general) - [Chromecast](https://commercial.screenbeam.com/en/support/faqs?hsLang=en#chromecast) - [How-to & Best Practices](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#main-content) - [General](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#general) - [CMS Enterprise](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#cms-enterprise) - [Miracast P2P](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#miracast-p2p) - [AirPlay mirroring](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#airplay-mirroring) - [Miracast over Infrastructure](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#miracast-over-infrastructure) - [Conference](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#conference) - [Chromecast](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#chromecast) - [Digital Signage](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#digital-signage) - [Firmware Update](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#firmware-update) - [MultiBeam](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#multibeam) - [Orchestrate](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#orchestrate) - [BrowserCast](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#browsercast) - [ScreenBeam Cloud](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#screenbeam-cloud) - [Active Learning](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#active-learning) - [Miracast touchback](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#miracast-touchback) - [Interactive Touchscreen](https://commercial.screenbeam.com/en/support/how-to-best-practices?hsLang=en#interactive-touchscreen) - [Known Issues & Troubleshooting Tips](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#main-content) - [Miracast](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#miracast) - [General](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#general) - [Conference](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#conference) - [AirPlay mirroring](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#airplay-mirroring) - [CMS Enterprise](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#cms-enterprise) - [Security Advisory](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#security-advisory) - [HDMI Input](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#hdmi-input) - [Orchestrate](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#orchestrate) - [BrowserCast](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#browsercast) - [Active Learning](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#active-learning) - [Miracast touchback](https://commercial.screenbeam.com/en/support/known-issues-troubleshooting-tips?hsLang=en#miracast-touchback) - [Integration & Compatibility](https://commercial.screenbeam.com/en/support/integration-compatibility?hsLang=en#main-content) - 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