The NHS plans a computer upgrade which will bring systems down for 36 hours on November 09, the Connecting for Health IT agency has said.
Software and hardware upgrades will disrupt the NHS for a day and a half, while the health services Data Spine operation is upgraded.
A complete refresh of the database infrastructure has been diagnosed, and specialists from BT will begin work on 11 November to provide an automated failover system that is faster and more reliable.
The NHS spokesperson denied the upgrade would cause disruption. "Normal business continuity measures should be in place during this 36 hour planned maintenance period and the overall impact is expected to be minimal," said a Connecting for Health spokesperson.
However, NHS staff will not be able to make hospital bookings and referrals during the upgrade. Integration between local hospital patient administration systems and Choose and Book may also be disrupted. Transfer of patient records through the GP2GP system will also be impossible during the maintenance period.