The Roads and Transport Authority (RTA) in Dubai said in a statement that its licensing eTraffic services would be unavailable on Friday from 12:01 am to 8am.
The disruption is due to "regular maintenance and updating system."
RTA statement said: "Please note that a temporary unavailability of all our licensing eTraffic services will be on Friday, O7-07-2017 from 12:01 am until 8am due to conducting a regular maintenance and updating system. You will be able to use the services after these few hours."

source: Khaleejtimes