In the course of the reboot, all devices in the affected areas lose network connection for about 10 to 15 minutes. This includes PCs, telephones, access control systems and WLAN connections.
Apart from this, no other effects should be noticeable.
If you have any questions or problems in the course of the work, please contact the respective TUnet release agent of your institute or help@it.tuwien.ac.at.