Planned Maintenance

The list below details any planned disruption to services to the best of our knowledge. Disruption to any of these can impact the performance of Sequoia.

This information can change at very short notice. Unless otherwise specified, all times are local.

Last change to the information on this page: Friday 13 Feb 2026 15:57

Service Start time End time Details
ASM Online Services
25/02/2026 20:00 25/02/2026 23:30 In order to carry out essential system maintenance, ASM Online Services will be unavailable between and . During this time you will be unable to send and receive messages in Sequoia. You can prepare your CDS declarations ready to send once the outage is complete, but will not be able to view or prepare Safety & Security declarations, ICS2 declarations or Transit phase 5 movements so please retrieve any Transit documents you need prior to the outage.
Do not create any ETSF records on Sequoia during this period.

We will confirm when normal services resume.

We apologise for any inconvenience this may cause.
CCS-UK
CDS Live Service
18/02/2026 19:00 18/02/2026 20:00 Planned outage for exports on to
See message from HMRC

Due to essential scheduled maintenance on the Customs Declaration Service (CDS), on Wednesday 18th February 2026 from 7:00 pm until 8:00 pm, export declarations submitted during this time will experience delays in messaging.

Export declarations submitted during this time will be queued and processed when the maintenance is completed.
Exports should have Permission to Progress (P2P) before travelling.

Import and other declaration types will not be affected.

We apologise for any inconvenience this may cause.

CDS Test Service (TDR)
17/02/2026 12:00 17/02/2026 16:00 Planned outage on to
See message from CDS Test Service (TDR)
Hello,

We are emailing to advise you that the CDS TDR Service will be unavailable from:

•  12pm on Tuesday 17th February 2026 until 4pm on Tuesday 17th February 2026

There will be a complete outage during this period. Please can you inform your contacts.

Kind regards,

TDR Communications Team
CNS Compass
15/02/2026 00:01 15/02/2026 06:00 Planned outage on to
See message from CNS

Dear Customer,

CNS will be performing essential updates to our core infrastructure.

The work will take place within the following 6 hour window:

Sunday 15th February 00.01hrs - 06.00hrs

We anticipate that work will be complete and services fully restored by 03.00hrs, but we are allowing the full 6 hour window as a contingency in case a rollback is required.

Impacted services:

- CNS will be unavailable -
- Cargoes VBS will not receive updates -
- CNS Air Courier will be unavailable -

We thank you for your patience while we carry out this work.

Kind regards,
The CNS Team

GVMS
28/02/2026 22:30 28/02/2026 23:30 Planned outage on to
See message from HMRC

GVMS system maintenance between 10:30pm and 11:30pm on Saturday 28th February 2026.

During this period GVMS will be unavailable.

Please ensure Goods Movement References (GMRs) are created in advance and any Movement Reference Numbers (MRNs) have been added / validated in advance of 10:30pm on Saturday 28th February.

Goods movement references (GMRs) remain mandatory for freight movements using GVMS. 

Hauliers without a valid goods movement reference (GMR) will be turned away.

We apologise for any inconvenience this may cause.

ICS2
MCP Destin8
16/02/2026 20:30 16/02/2026 21:30 Planned outage on to
See message from MCP

Destin8 will be unavailable on Monday 16th of February 2026 at 20:30 GMT for up to 60 minutes.

CDS messages submitted during this period will be queued and automatically processed once Destin8 is back up.

If you require any further information or assistance then please contact their Helpdesk on 01394 600205 or via e-mail to help@mcpplc.com accordingly.

23/02/2026 20:30 23/02/2026 21:30 Planned outage on to
See message from MCP

Destin8 will be unavailable on Monday 23rd of February 2026 at 20:30 GMT for up to 60 minutes.

CDS messages submitted during this period will be queued and automatically processed once Destin8 is back up.

If you require any further information or assistance then please contact their Helpdesk on 01394 600205 or via e-mail to help@mcpplc.com accordingly.

NCTS/CTC
Pentant