All Systems Operational

Uptime over the past 90 days. View historical uptime.
Authoring Service Operational
Authentication Service Operational
Classification Service Operational
Component Identifier Service (CIS) Operational
Content Request Service (CRS) Operational
Discourse Service Operational
Identity Management Service Operational
International Mapping Service Operational
MEDdra Mapping Service Operational
Members Licensing and Distribution Service (MLDS) Operational
Public SNOMED Browser Operational
Refset and Translation Service Operational
Refset Service (RT2) Operational
Release and Validation Service Operational
Request Management Portal (MS) Operational
Simplex Service Operational
SNOMED Account Services Operational
SNOMED Jira (Cloud) Operational
SNOMED Managed Service Support Desk (Cloud) Operational
SNOMED Spaces (Cloud) Operational
SNOMIO Authoring Operational
Snowstorm MCP Operational
Training Authoring Service Operational
US Content Request Service Operational
United States Mapping Service Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Nov 10, 2026

No incidents reported today.

Nov 9, 2026

No incidents reported.

Nov 8, 2026

No incidents reported.

Nov 7, 2026

International Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 6, 18:00 UTC
Scheduled - This service will be undergoing planned maintenance from Friday 06 November 2026, 18:00UTC until Saturday 07 November 2026, 18:00UTC. During this time the service will be unavailable.
Nov 6, 07:39 UTC
Release and Validation Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:08 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:07 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:25 UTC
Component Identifier Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:07 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:01 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:24 UTC
Refset
Completed - The scheduled maintenance has been completed.
Nov 7, 12:07 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:06 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:25 UTC
US Content Request Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:06 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:08 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:27 UTC
Training Classification Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:06 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:04 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:25 UTC
Classification Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:05 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:06 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:25 UTC
Content Request Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:04 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:06 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:27 UTC
Training Authoring Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:04 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:03 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:23 UTC
United States Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:03 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:02 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:22 UTC
Refset Service RT2 Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:02 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:08 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:25 UTC
MEDdra Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:02 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:01 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:22 UTC
Members Licensing and Distribution Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:05 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:25 UTC
International Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:00 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:22 UTC
Authoring Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 7, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 10:02 UTC
Scheduled - This service will be undergoing planned maintenance from Saturday 07 November 2026, 10:00UTC until Saturday 07 November 2026, 12:00UTC. During this time the service will be unavailable.
Nov 6, 08:21 UTC

Nov 6, 2026

United States Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 6, 16:35 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 5, 16:35 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 05 November 2026, 16:35UTC until Friday 06 November 2026, 16:35UTC. During this time the service will be unavailable.
Nov 5, 16:31 UTC

Nov 5, 2026

United States Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 5, 13:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 5, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 05 November 2026, 11:00UTC until Thursday 05 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 4, 14:40 UTC
International Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 5, 13:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 5, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 05 November 2026, 11:00UTC until Thursday 05 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 4, 14:39 UTC
MEDdra Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 5, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 5, 11:00 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 05 November 2026, 11:00UTC until Thursday 05 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 4, 14:39 UTC

Nov 4, 2026

Refset Service RT2 Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 4, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 4, 11:00 UTC
Scheduled - This service will be undergoing planned maintenance from Wednesday 04 November 2026, 11:00UTC until Wednesday 04 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 3, 13:39 UTC

Nov 3, 2026

Authentication Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 3, 12:27 UTC
Update - Scheduled maintenance is still in progress. We will provide updates as necessary.
Nov 3, 12:26 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:02 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 2, 11:03 UTC
Refset
Completed - The scheduled maintenance has been completed.
Nov 3, 12:26 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:04 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable. Access to this tooling may be intermittently impacted by other tooling upgrades taking place during this maintenance window. Users may experience temporary access issues, including difficulties logging in and authenticating their accounts.
Nov 2, 11:06 UTC
Classification Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 3, 12:26 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:04 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 2, 11:03 UTC
Authoring Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Nov 3, 12:25 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:03 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 2, 11:01 UTC
Refset Service RT2 Maintenance Alert
Completed - The maintenance has now been completed and tested and the service is now available again. Release notes detailing the fixes and/or improvements made in this version will be published shortly. Thank you for your patience while we continue to improve the service.
Nov 3, 12:24 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable. Access to this tooling may be intermittently impacted by other tooling upgrades taking place during this maintenance window. Users may experience temporary access issues, including difficulties logging in and authenticating their accounts.
Nov 2, 11:06 UTC
Content Request Service Maintenance Alert
Completed - The maintenance has now been completed and tested and the service is now available again. Release notes detailing the fixes and/or improvements made in this version will be published shortly. Thank you for your patience while we continue to improve the service.
Nov 3, 12:24 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:00 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable. Access to this tooling may be intermittently impacted by other tooling upgrades taking place during this maintenance window. Users may experience temporary access issues, including difficulties logging in and authenticating their accounts.
Nov 2, 11:07 UTC
International Mapping Service Maintenance Alert
Completed - The maintenance has now been completed and tested and the service is now available again. Release notes detailing the fixes and/or improvements made in this version will be published shortly. Thank you for your patience while we continue to improve the service.
Nov 3, 12:24 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:03 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable. Access to this tooling may be intermittently impacted by other tooling upgrades taking place during this maintenance window. Users may experience temporary access issues, including difficulties logging in and authenticating their accounts.
Nov 2, 11:06 UTC
Training Classification Service Maintenance Alert
Completed - The maintenance has now been completed and tested and the service is now available again. Release notes detailing the fixes and/or improvements made in this version will be published shortly. Thank you for your patience while we continue to improve the service.
Nov 3, 12:24 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:03 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 2, 11:03 UTC
Training Authoring Service Maintenance Alert
Completed - The maintenance has now been completed and tested and the service is now available again. Release notes detailing the fixes and/or improvements made in this version will be published shortly. Thank you for your patience while we continue to improve the service.
Nov 3, 12:24 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 03 November 2026, 11:00UTC until Tuesday 03 November 2026, 13:00UTC. During this time the service will be unavailable.
Nov 2, 11:02 UTC

Nov 2, 2026

No incidents reported.

Nov 1, 2026

No incidents reported.

Oct 31, 2026

No incidents reported.

Oct 30, 2026

No incidents reported.

Oct 29, 2026

Authoring Service Maintenance Alert
Completed - The maintenance has now been completed and tested and the service is now available again. Release notes detailing the fixes and/or improvements made in this version will be published shortly. Thank you for your patience while we continue to improve the service.
Oct 29, 13:36 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 29, 11:00 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 29 October 2026, 11:00UTC until Thursday 29 October 2026, 14:00UTC. During this time the service will be unavailable.
Oct 28, 08:50 UTC
Classification Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Oct 29, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 29, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 29 October 2026, 11:00UTC until Thursday 29 October 2026, 13:00UTC. During this time the service will be unavailable.
Oct 28, 08:52 UTC
Component Identifier Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Oct 29, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 29, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Thursday 29 October 2026, 11:00UTC until Thursday 29 October 2026, 13:00UTC. During this time the service will be unavailable.
Oct 28, 08:51 UTC

Oct 28, 2026

No incidents reported.

Oct 27, 2026

Refset Service RT2 Maintenance Alert
Completed - The scheduled maintenance has been completed.
Oct 27, 13:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 27, 11:01 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 27 October 2026, 11:00UTC until Tuesday 27 October 2026, 13:00UTC. During this time the service will be unavailable.
Oct 26, 11:20 UTC
International Mapping Service Maintenance Alert
Completed - The scheduled maintenance has been completed.
Oct 27, 13:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 27, 11:00 UTC
Scheduled - This service will be undergoing planned maintenance from Tuesday 27 October 2026, 11:00UTC until Tuesday 27 October 2026, 13:00UTC. During this time the service will be unavailable.
Oct 26, 11:20 UTC
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