Article No. #: 000050312 —A Collaborate Ultra large event is defined as a session between 250 - 500 concurrent users. Customers who are planning a large event should notify Collaborate’s support team by submitting a support ticket. Our support team needs at least 2 business days prior notice to prepare for the event. Please use this KBA to plan a successful large event for Collaborate Ultra.

Article No. #: 000042098 —This article provides instructions on how to troubleshoot Audio and Video issues in a Collaborate Ultra session.

Article No. #: 000052139 —The Collaborate Ultra web camera video preview window in the lower left hand corner shows as being mirrored or reversed, which can make it difficult to monitor writing being shown via a camera feed. This article will show users how to open a second session to monitor what they are writing in a bigger window.

Article No. #: 000050308 —This article provides instructions to enable browsers access to webcams and microphones with the updated security settings introduced in macOS Mojave 10.14, macOS Catalina 10.15.

Article No. #: 000051990 —As of December 31, 2019, Blackboard no longer provides support for the Diploma product.

Article No. #: 000051513 —This article describes a known issue with the Collaborate Ultra Scheduler when trying to change a user password.

Article No. #: 000043403 —Some Windows users have reported that attempting to application share in Collaborate with the Original Experience results in the following Java error: Java(TM) Platform SE binary has stopped working.

Article No. #: 000037023 —This article describes how to show the Java Console for troubleshooting purposes in Blackboard Collaborate Web Conferencing.

Article No. #: 000051242 —Some users have reported that after a recent update to Windows 10 they receive a "cannot connect to speaker, but will keep trying" error in Blackboard Collaborate Original sessions and recordings. As a result, these users can no longer hear audio in their Blackboard Collaborate Original sessions and recordings. This article provides several methods to work around the issue.

Article No. #: 000040454 —This help page points users to appropriate documentation regarding audio and video setup for Collaborate with the Ultra experience.