Management Problems (52)

Hello, good morning i have a vmatrix server with versio 2.6 Which threatens 8 users to work with simultaneously my problem is Zero-clients fall out 2-3 times a day Please advise what could be the problem?

Hello, how to share teacher screen with selected users, and not with all users, so that one group can worck on computers, and other, at the same time, saw what teacher demonstate. Thanks)