Citrix XenApp Server products allow Farm Administrators and Users to interact with other user sessions.
Shadowing can be a useful tool for user collaboration, training, troubleshooting and monitoring. This capability is useful for supervisors, help desk personnel, teachers, and anyone else who may need to examine another user's session. During Setup, you can limit or disable shadowing. You can disable shadowing of ICA sessions on all servers in a farm if, for example, legal requirements prohibit shadowing of user's sessions. Or, you may want to disable shadowing on servers that host sensitive applications such as Human Resources or Payroll....