Referring to the message received from Prof. Dr. Karim Emara (Director of the Egyptian Universities Network) that due to the conduct of some necessary maintenance work on the main data router (Core Router) of the Egyptian Universities Network at the Supreme Council of Universities on Saturday corresponding to 11/26/2022 AD, starting at eight o’clock In the morning, we would like to point out the instability of network and internet services in all university faculties and institutes provided by the Egyptian Universities Network, until twelve o'clock in the afternoon.