An unavoidable maintenance activity on the core infrastructure hosting the data hub service, involving replacement of switches interconnecting the servers to the rolling archive storage, is scheduled from 13:30 UTC on Monday 5 November to 11:00 UTC on 6 November 2018.

During the whole duration of the maintenance the following Data Hub Services will not be accessible:

• Copernicus Open Access Hub (also including API Hub, Sentinel-3A Pre-operations Data Hub and GNSS Rinex Hub)
• Copernicus Services Data Hub

The publication of Copernicus Sentinel-5P products on the respective Pre-operations Data Hub will not be affected by the maintenance.

A temporary access hub will be activated for providing access to the last two weeks of Sentinel data without registration. The temporary data hub will be available at the following address: https://tmphub.copernicus.eu/dhus

We apologise for any inconvenience caused.