Planned Maintenance

The list below details any planned disruption to services to the best of our knowledge. This information can change at very short notice. Unless otherwise specified, all times are local.

Last change to the information on this page: Tuesday 25 Mar 2025 14:12

Service Start time End time Details
ASM Online Services
CCS-UK
CDS Live Service
CDS Test Service (TDR)
01/04/2025 14:00 01/04/2025 17:00 Planned outage on to
See message from HMRC
We are emailing to advise you that the CDS TDR Service will be unavailable from:
2pm on Tuesday 1st April 2025 until 5pm on Tuesday 1st April 2025.

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

Kind regards,
TDR Communications Team
CNS Compass
MCP Destin8
05/04/2025 20:00 05/04/2025 23:00 Planned outage on to
See message from MCP Plc
Potential Impact: Significant

We strongly recommend that you review the information below to familiarise yourself with this update and make any necessary preparations.

We have been undertaking a large-scale project to renew our infrastructure for Destin8, Declar8, and all associated services.

Over the last few months, we have been extensively testing our new infrastructure, and we are now ready to migrate our services.

To facilitate this migration, our services will be temporarily unavailable for an extended downtime period commencing at the time stated below. This date and time have been selected based on comprehensive analysis of system usage to ensure minimal disruption for our customers.

Saturday 5th April 2025 20:00

Our services will be unavailable for a period of up to 3 hours; during this period, all elements will be impacted by this downtime.

Consequently, we kindly request you take note of the following points.

CDS Connectivity

The connection to CDS will not be available during the downtime window.

Where possible, declarants should endeavour to submit declarations prior to 20:00 or wait until connectivity is restored upon migration completion.

Please do not contact the National Clearance Hub during this window as they will be unable to assist.

Visual ISL

During this time, your Visual ISL client will be unable to reach the ISL webservice.

Any messages will be queued by your client until such a point that the service is resumed. Once resumed, all messages will be processed accordingly.

We appreciate that this period is longer than our usual scheduled downtime; however, this is a significant enhancement to our infrastructure, and additional time is required to enable our technical teams to monitor systems throughout the migration and ensure that, once completed, you can work securely with no issues.

Thank you for your ongoing support.

The MCP Team
NCTS/CTC
Pentant