CNS Compass maintenance – Monday 11th May & Monday 25th May
Historic - 23:01, 10th May 2026 - 02:00, 11th May 2026
CNS Compass
Dear Customer
We are writing to provide you with notice that we will be carrying-out essential maintenance on our Compass application.
This work will require an outage of a maximum of 3 hours on two separate occasions.
The work will take place during the following windows:
1/ Monday 11th May 0001hrs – 0300hrs
2/ Monday 25th May 0001hrs – 0300hrs
Impacted services:
- Compass will be unavailable
- Compass database processes will be suspended
- Compass messaging will be suspended (TOS, EDI, CDS)
- Compass messaging & database processing will be queued and processed after restart
- DRS will be unavailable
All other CNS services will be available.
We thank you for your patience and co-operation while we carry out this work.
Kindest regards
The CNS Team








