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Welcome to Blackbox's DCIS home for real-time information on system performance and availability. Here you will find details of current and historical performance. If there are any interruptions in our services details will be published here as well as information around future scheduled maintenance.

DCIS Modules Operational
API Portal Operational
Announcement Operational
Ambassador Operational
Campaigns Operational
Control Tower Operational
Screens Operational
Wayside Bridge Operational
Data Ingestion Services Operational
Darwin Operational
TD.net Operational
ITPS Operational
Formation Operational
TRUST Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Edge ScreenApp release for increased screen health status data Dec 9, 2025 22:00-23:00 GMT

Full Details of the Required Change

This release provides the Edge ScreenApp with the capability to report more granularly on their different health statuses, in addition to the binary online/offline status. These health statuses can be shown on a new feature, the Service Performance Dashboard, which will be made available to you soon. The aim of the dashboard is to increase visibility of live and period-to-date system performance data, details about servicedesk tickets, and provide period reports. More details about the roll out of the dashboard will follow at a later moment.

Reason or Justification for Change

Increase visibility of system performance with the aim to resolve issues quicker.

Impact and Risk Analysis

The release will be done in a number of phases. This release note covers phase 2. Following a successful small release to 10 screens on 3rd December, this release will now be rolled out to the other NTIs (platform edge screens), SOAs (Arrival screens) and SODs (Departure screens). As part of the release the screens will be rebooted, which in this case is expected to take up to a minute. To reduce customer impact the reboot will be done around 10pm. The release can be rolled back if needed. This would require another reboot of the screens.
Posted on Dec 04, 2025 - 17:45 GMT

Bug fix for part-cancellation messaging Dec 10, 2025 12:00-12:15 GMT

Full Details of the Required Change

This release resolve an issue with delayed, part-cancelled train messaging and announcements. When a train is first delayed and subsequently part-cancelled, the 'This train is no longer calling at xyz' message and announcement does currently not filter out the delayed-cancelled locations. This release will resolve this issue.

Reason or Justification for Change

Resolve BBX-6865, BBX-7088, BBX-7472, BBX-7732, BBX-7666, BBX-7900,

Impact and Risk Analysis

This change is a small change. The impact of the release is small and the risk low. If there are any issues, then a roll back can be triggered.
Posted on Nov 28, 2025 - 12:30 GMT

Bug fix for making an ad hoc announcement from CT UI Stations Dec 11, 2025 12:30-13:00 GMT

Full Details of the Required Change

Resolve an issue with making a one off announcement in the Stations module of Control Tower

Reason or Justification for Change

Resolve BBX-7978

Impact and Risk Analysis

This change is a small change. The impact of the release is small and the risk low. If there are any issues, then a roll back can be triggered.
Posted on Dec 04, 2025 - 17:49 GMT

Milton Keynes Central mainboard: showing campaign messages Dec 15, 2025 22:00-22:45 GMT

Full Details of the Required Change

Additional capability will be added to the Milton Keynes Central mainboard to show campaign messages (see photo in the email, but the clock will remain the current clock for now).

Reason or Justification for Change

Show campaign messages on the Milton Keynes Central mainboard, in addition to media campaigns

Impact and Risk Analysis

The impact of this release is small and risk low. As part of the release the screens will be rebooted, which in this case is expected to take up to a minute. To reduce customer impact the reboot will be done around 10pm. The release can be rolled back if needed. This would require another reboot of the screens.
Posted on Dec 04, 2025 - 17:55 GMT
Dec 6, 2025

No incidents reported today.

Dec 5, 2025

No incidents reported.

Dec 4, 2025

No incidents reported.

Dec 3, 2025
Edge ScreenApp release for increased screen health status data
Completed - The scheduled maintenance has been completed.
Dec 3, 13:00 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 3, 12:00 GMT
Update - We will be undergoing scheduled maintenance during this time.
Nov 28, 12:36 GMT
Scheduled -
Full Details of the Required Change

This release provides the Edge ScreenApp with the capability to report more granularly on their different health statuses, in addition to the binary online/offline status. These health statuses can be shown on a new feature, the Service Performance Dashboard, which will be made available to you soon. The aim of the dashboard is to increase visibility of live and period-to-date system performance data, details about servicedesk tickets, and provide period reports. More details about the roll out of the dashboard will follow at a later moment.

Reason or Justification for Change

Increase visibility of system performance with the aim to resolve issues quicker.

Impact and Risk Analysis

The release will be done in a number of phases. This release note covers the first phase.

At lunchtime the backend for this functionality will be release. The impact of this release is small and risk low. No interruption to the functioning of screens is expected. The release can be rolled back if needed.

In the evening, the linked Edge ScreenApp will be released to 10 screens, which will be a mix of NTIs (platform edge screens) and SODs (Departure screens). The impact of this release is small and risk low. As part of the release the screens will be rebooted, which in this case is expected to take up to a minute. To reduce customer impact the reboot will be done around 10pm. The release can be rolled back if needed. This would require another reboot of the screens.
Nov 28, 12:07 GMT
Dec 2, 2025
Bug fix for new origin stations for part-cancellations
Completed - The scheduled maintenance has been completed.
Dec 2, 12:15 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 2, 12:00 GMT
Scheduled -
Full Details of the Required Change

This release resolves an issue where in some cases after a part-cancellation the new origin station shows as cancelled after a previous release to resolve an issue with diversions.

Reason or Justification for Change

Resolve BBX-8005 and BBX-8010

Impact and Risk Analysis

This change is a small change. The impact of the release is small and the risk low. If there are any issues, then a roll back can be triggered.
Nov 28, 12:23 GMT
Dec 1, 2025

No incidents reported.

Nov 30, 2025

No incidents reported.

Nov 29, 2025

No incidents reported.

Nov 28, 2025

No incidents reported.

Nov 27, 2025
PA Release
Completed - The scheduled maintenance has been completed.
Nov 27, 22:45 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 27, 22:00 GMT
Scheduled -
Full Details of the Required Change

New tracking of events will be added to the PA's as part of a improved logging functionality.

Reason or Justification for Change

Improvements to system support.

Impact and Risk Analysis

The change affects PA devices. The changes are all small. The release requires a reboot of the PA devices. To reduce impact the release will be done during the evening. Other than that the impact of the release is small and the risk is low. Should a roll back be required, this can be done quickly, but will require a second reboot of the PA devices.
Nov 21, 16:50 GMT
Nov 26, 2025
Edge App: Screen Health Status
Completed - The scheduled maintenance has been completed.
Nov 26, 22:45 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 26, 22:00 GMT
Scheduled - This release provides the ScreenApp with the capability to report more granularly on their different health statuses so that these can be shown on the Service Performance Dashboard.

Aim of the Screen Health Status is to provide GTS and Blackbox with quicker diagnostics when a screen fails, and therefore quicker resolutions of issues. It will also for better metrics on screen performance, both in a live view and on a period-by-period basis.

Reason or Justification for Change

In period reviews and contract mobilisation better tools to provide insight in the screen performance have been discussed and the Service Performance Dashboard, which includes the screen health data, was agreed as way to implement this.

Impact and Risk Analysis

The release will be implemented in 3 steps to reduce risks and impact for customers. After every step, a decision can be made to continue to the next release the next day. It is also possible after every step, to roll back the release within minutes. It would require a screen reboot.

26th November after 22:00:
Edge ScreenApp will be released to the Ealing Broadway mainboard and all multimodal screens. As part of the release the screens will be rebooted, which in this case is expected to take up to a minute. To reduce customer impact the reboot will be done around 10pm. By releasing the new ScreenApp version to a subset of screens, the impact of the release is reduced to low.

27th November after 22:00:
The remaining screens will receive the new ScreenApp to allow close monitoring and checking of the Service Performance Dashboard functionality in an extended live environment.
As part of the release the screens will be rebooted, which in this case is expected to take up to a minute. To reduce customer impact the reboot will be done around 10pm. By releasing the new ScreenApp version in two steps, the impact of the release is reduced to low.
Nov 21, 17:21 GMT
Infra maintenance
Completed - The scheduled maintenance has been completed.
Nov 26, 12:45 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 26, 12:00 GMT
Scheduled -
Full Details of the Required Change

This change consists of two parts and aims to improve system security. The first part will be done around lunchtime, the second part in the evening.

Reason or Justification for Change

Improve security

Impact and Risk Analysis

The changes are small and the risk of the release is low. A reboot of the screens is required. This is why the release is planned to take place in the evening.
Nov 21, 16:46 GMT
Nov 25, 2025

No incidents reported.

Nov 24, 2025
API Portal update affecting the Wayside Bridge
Completed - The scheduled maintenance has been completed.
Nov 24, 12:30 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 24, 12:00 GMT
Scheduled -
Full Details of the Required Change

A maintenance update is required to the API Portal, which will be affecting the Wayside Bridge.

Reason or Justification for Change

Infrastructure maintenance

Impact and Risk Analysis

While the change to the API Portal is small and straightforward, the change is expected to cause a brief outage to passenger counting on the Wayside Bridge of up to 20 mins. A post-release check will be done to ensure that the Wayside Bridge is working correctly following the release and it is expected that any issues can be resolved within the mentioned 20 mins period.
If required the change can be reverted. It may cause another brief outage.

The release is planned for lunchtime, so any issues can be easily identified. This would be more complicated late in the evening as the amount of data coming through would then be low, which could lead to a false positive on the testing.
Nov 14, 16:58 GMT
Nov 23, 2025

No incidents reported.

Nov 22, 2025

No incidents reported.

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