Type: Incident
 Duration: 7 hours and 57 minutes
 Affected Components: 
 Oct <var data-var='date'> 6</var>, <var data-var='time'>13:57:25</var> GMT+0 Resolved -
 We implemented a temporary fix, and the platform has stabilized. We will continue working on resolving the root cause in the background. 
 
We apologize for the inconvenience..
Oct <var data-var='date'> 6</var>, <var data-var='time'>10:24:43</var> GMT+0 Investigating -
 The performance issues and instability reappeared. We&#039;re investigating the root cause..
Oct <var data-var='date'> 6</var>, <var data-var='time'>06:26:37</var> GMT+0 Resolved -
 This incident has been resolved..
Oct <var data-var='date'> 6</var>, <var data-var='time'>06:00:04</var> GMT+0 Investigating -
 
We observed a slow response time on MQTT for Cumulocity platform on the EMEA environment.

We are investigating the root cause and will inform you as soon as we have further information.

We apologize for the inconvenience caused.
 
 .

Platform Issue | EMEA

Type: Incident
 Duration: 1 hour and 39 minutes
 Affected Components: , 
 Oct <var data-var='date'> 1</var>, <var data-var='time'>13:06:42</var> GMT+0 Resolved -
 This incident has been resolved..
Oct <var data-var='date'> 1</var>, <var data-var='time'>12:46:35</var> GMT+0 Monitoring -
 We saw some slow query response times. Especially for MQTT connections. The operation went back to normal. We are monitoring the situation..
Oct <var data-var='date'> 1</var>, <var data-var='time'>11:28:04</var> GMT+0 Investigating -
 We observed an issue within the entire Cumulocity platform on the EMEA environment.

We are investigating the root cause and will inform you as soon as we have further information.

We apologize for the inconvenience caused..

Type: Maintenance
 Duration: 1 hour
 Affected Components: , 
 Sep <var data-var='date'> 8</var>, <var data-var='time'>10:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Sep <var data-var='date'> 8</var>, <var data-var='time'>09:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Sep <var data-var='date'> 8</var>, <var data-var='time'>08:53:55</var> GMT+0 Identified -
 We would like to inform you of the emergency maintenance of the Cumulocity DataHub (CDH) module on the US environment.

Maintenance will occur 8 Sept 2026 9:00 UTC. 
Cumulocity DataHub Microservices may be impacted and restarted. Users may experience Cumulocity DataHub unavailability or interruptions during the restart procedure. 
Some offloadings may fail, but they will be retried next time and will pick up remaining data. 
Custom Dremio jobs unfortunately need to be rerun by the users.

We apologize for the inconvenience caused and assure you that we shall keep any such interruptions to a minimum.

Please make sure that all your relevant users of the Cumulocity IoT Platform are subscribed to our update services and are aware of the maintenance.

If you have any questions or concerns, please do not hesitate to contact us..

Emergency DataHub Maintenance | US

Type: Maintenance
 Duration: 1 hour
 Affected Components: , 
 Sep <var data-var='date'> 8</var>, <var data-var='time'>10:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Sep <var data-var='date'> 8</var>, <var data-var='time'>09:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Sep <var data-var='date'> 8</var>, <var data-var='time'>08:52:09</var> GMT+0 Identified -
 We would like to inform you of the emergency maintenance of the Cumulocity DataHub (CDH) module on the EMEA environment.

Maintenance will occur 8 Sept 2026 9:00 UTC. 
Cumulocity DataHub Microservices may be impacted and restarted. Users may experience Cumulocity DataHub unavailability or interruptions during the restart procedure. 
Some offloadings may fail, but they will be retried next time and will pick up remaining data. 
Custom Dremio jobs unfortunately need to be rerun by the users.

We apologize for the inconvenience caused and assure you that we shall keep any such interruptions to a minimum.

Please make sure that all your relevant users of the Cumulocity IoT Platform are subscribed to our update services and are aware of the maintenance.

If you have any questions or concerns, please do not hesitate to contact us..

Emergency DataHub Maintenance | EMEA

Type: Incident
 Duration: 8 days, 21 hours and 56 minutes
 Affected Components: , , 
 Sep <var data-var='date'> 9</var>, <var data-var='time'>06:07:00</var> GMT+0 Resolved -
 This incident has been resolved..
Aug <var data-var='date'> 31</var>, <var data-var='time'>08:13:22</var> GMT+0 Monitoring -
 We implemented a fix and are currently monitoring the result..
Aug <var data-var='date'> 31</var>, <var data-var='time'>08:11:00</var> GMT+0 Investigating -
 We observed an issue within the entire Cumulocity platform on the CUMULOCITY.COM environment.

We are investigating the root cause and will inform you as soon as we have further information.

We apologize for the inconvenience caused..

Platform Issue | CUMULOCITY.COM

Type: Maintenance
 Duration: 2 hours and 30 minutes
 Affected Components: , , 
 Aug <var data-var='date'> 20</var>, <var data-var='time'>15:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Aug <var data-var='date'> 20</var>, <var data-var='time'>13:56:36</var> GMT+0 Identified -
 The maintenance is proceeding well; however, we need to extend the window by 30 minutes due to technical difficulties we faced at the beginning. We apologize for the inconvenience..
Aug <var data-var='date'> 20</var>, <var data-var='time'>12:30:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Aug <var data-var='date'> 20</var>, <var data-var='time'>12:00:32</var> GMT+0 Identified -
 We would like to inform you of emergency maintenance on the CUMULOCITY.COM environment. No service interruptions are expected. Cumulocity will generally remain responsive and within the limits of the service-level agreements. 
 
MAINTENANCE IMPACT: 
The Cumulocity Core module will undergo a rolling restart when necessary, ensuring the module remains responsive during the process. The upgrade will occur in the background and is expected to have minimal or no SLA relevant impact on the Cumulocity Platform, with no anticipated platform unavailability or interruptions. Microservices however, including the Advanced Streaming Analytics module, will need to be restarted, resulting in temporary unavailability during the restart procedure when necessary..

Emergency Standard Maintenance | CUMULOCITY.COM

Type: Maintenance
 Duration: 1 hour
 Affected Components: , 
 Aug <var data-var='date'> 17</var>, <var data-var='time'>11:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Aug <var data-var='date'> 17</var>, <var data-var='time'>10:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Aug <var data-var='date'> 17</var>, <var data-var='time'>09:50:12</var> GMT+0 Identified -
 To resolve issues that some customers face during offloading, we are forced to perform an emergency maintenance of the Cumulocity DataHub (CDH) module on the APJ environment. 
Cumulocity DataHub Microservices may be impacted and restarted. Users may experience Cumulocity DataHub unavailability or interruptions during the restart procedure. Some offloadings may fail, but they will be retried next time and will pick up remaining data. Custom Dremio jobs unfortunately need to be rerun by the users. 
 
We apologize for the inconvenience caused and assure you that we shall keep any such interruptions to a minimum. 
Please make sure that all your relevant users of the Cumulocity IoT Platform are subscribed to our update services and are aware of the maintenance. If you have any questions or concerns, please do not hesitate to contact us..

Emergency DataHub Maintenance | APJ

Type: Maintenance
 Duration: 2 hours
 Affected Components: , 
 Aug <var data-var='date'> 12</var>, <var data-var='time'>06:15:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Aug <var data-var='date'> 12</var>, <var data-var='time'>04:15:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Aug <var data-var='date'> 12</var>, <var data-var='time'>03:50:21</var> GMT+0 Identified -
 We would like to inform you of emergency database maintenance on the EU-LATEST environment. No service interruptions are expected. Cumulocity will generally remain responsive and within the limits of the service-level agreements. 
 
MAINTENANCE IMPACT: The Cumulocity Database component will undergo a rolling restart when necessary, ensuring the component remains responsive during the process. The maintenance will occur in the background and is expected to have minimal or no SLA relevant impact on the Cumulocity Platform, with no anticipated platform unavailability or interruptions. .

Emergency Database Maintenance | EU-LATEST

Type: Maintenance
 Duration: 4 hours
 Affected Components: , , 
 Jul <var data-var='date'> 29</var>, <var data-var='time'>12:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Jul <var data-var='date'> 29</var>, <var data-var='time'>08:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Jul <var data-var='date'> 13</var>, <var data-var='time'>13:42:16</var> GMT+0 Identified -
 We will be performing scheduled maintenance on the [**Cumulocity**.com](http://Cumulocity.com) environment. This maintenance includes a database migration.

The maintenance is scheduled for July, 29th 10.00-14.00 CEST.

**No outage is expected.** During the maintenance, you may experience brief interruptions to write operations lasting only a few seconds as database components are transitioned. Additionally, application services will be restarted in a rolling fashion, which may cause short intermittent hiccups.

The expected maintenance window is approximately 3-4 hours. No action is required on your end. We will post updates here as the maintenance progresses.

Thank you for your patience..

cumulocity.com: Database migration

Type: Maintenance
 Duration: 4 hours
 Affected Components: , 
 Jul <var data-var='date'> 28</var>, <var data-var='time'>19:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Jul <var data-var='date'> 28</var>, <var data-var='time'>15:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Jul <var data-var='date'> 13</var>, <var data-var='time'>13:45:54</var> GMT+0 Identified -
 We will be performing scheduled maintenance on the **Cumulocity US** environment. This maintenance includes a database migration.

The maintenance is scheduled for July, 28th 17.00-21.00 CEST.

**No outage is expected.** During the maintenance, you may experience brief interruptions to write operations lasting only a few seconds as database components are transitioned. Additionally, application services will be restarted in a rolling fashion, which may cause short intermittent hiccups.

The expected maintenance window is approximately 3-4 hours. No action is required on your end. We will post updates here as the maintenance progresses.

Thank you for your patience..

cumulocity-prod-us-west-2 (US): Database migration

Type: Maintenance
 Duration: 1 hour and 24 minutes
 Affected Components: , 
 Jul <var data-var='date'> 21</var>, <var data-var='time'>09:24:18</var> GMT+0 Completed -
 Maintenance has completed successfully..
Jul <var data-var='date'> 21</var>, <var data-var='time'>08:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Jul <var data-var='date'> 13</var>, <var data-var='time'>13:25:43</var> GMT+0 Identified -
 We will be performing scheduled maintenance on the **Cumulocity EMEA** environment. This maintenance includes a database migration.

The maintenance is scheduled for July, 21st 10.00-14.00 CEST.

**No outage is expected.** During the maintenance, you may experience brief interruptions to write operations lasting only a few seconds as database components are transitioned. Additionally, application services will be restarted in a rolling fashion, which may cause short intermittent hiccups.

The expected maintenance window is approximately 3-4 hours. No action is required on your end. We will post updates here as the maintenance progresses.

Thank you for your patience..

emea-prod-west-europe (EMEA): Database migration

Type: Maintenance
 Duration: 4 hours
 Affected Components: , 
 Jul <var data-var='date'> 21</var>, <var data-var='time'>05:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Jul <var data-var='date'> 21</var>, <var data-var='time'>01:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Jul <var data-var='date'> 13</var>, <var data-var='time'>13:01:23</var> GMT+0 Identified -
 We will be performing scheduled maintenance on the **Cumulocity APJ** environment. This maintenance includes a database migration.

The maintenance is scheduled for July, 21st 03.00-07.00 CEST.

**No outage is expected.** During the maintenance, you may experience brief interruptions to write operations lasting only a few seconds as database components are transitioned. Additionally, application services will be restarted in a rolling fashion, which may cause short intermittent hiccups.

The expected maintenance window is approximately 3-4 hours. No action is required on your end. We will post updates here as the maintenance progresses.

Thank you for your patience..

cumulocity-prod-ap-southeast-2 (APJ): Database migration

Type: Maintenance
 
 Affected Components: , 
 Jul <var data-var='date'> 13</var>, <var data-var='time'>12:58:34</var> GMT+0 Completed -
 We will be performing scheduled maintenance on the **Cumulocity JP** environment. This maintenance includes a database migration.

The maintenance is scheduled for July, 20th 03.00-07.00 CEST.

**No outage is expected.** During the maintenance, you may experience brief interruptions to write operations lasting only a few seconds as database components are transitioned. Additionally, application services will be restarted in a rolling fashion, which may cause short intermittent hiccups.

The expected maintenance window is approximately 3-4 hours. No action is required on your end. We will post updates here as the maintenance progresses.

Thank you for your patience..

cumulocity-prod-ap-northeast-1 (JP): Database migration

Type: Maintenance
 Duration: 4 days and 8 hours
 Affected Components: , 
 Jul <var data-var='date'> 17</var>, <var data-var='time'>15:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Jul <var data-var='date'> 13</var>, <var data-var='time'>07:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Jul <var data-var='date'> 8</var>, <var data-var='time'>14:25:40</var> GMT+0 Identified -
 We would like to notify you about an upcoming upgrade to your Cumulocity.cn environment, scheduled from 13th July at 09:00 CEST to 17th of July at 17:00 CEST. 
 
MAINTENANCE IMPACT: The Core module will undergo a rolling restart when necessary, ensuring the module remains responsive during the process. The upgrade will occur in the background and is expected to have minimal or no SLA relevant impact on the platform, with no anticipated platform unavailability or interruptions. 
 
However, microservices, including the Advanced Streaming Analytics module, will need to be restarted, resulting in temporary unavailability during the restart procedure when necessary. 
 
If you have any questions or concerns, please do not hesitate to contact us via Cumulocity Global Support..

Cumulocity.cn - Upgrade to Yearly Release 2026

Type: Maintenance
 Duration: 3 hours
 Affected Components: , 
 Jun <var data-var='date'> 4</var>, <var data-var='time'>05:00:00</var> GMT+0 Completed -
 Maintenance has completed successfully.
Jun <var data-var='date'> 4</var>, <var data-var='time'>02:00:01</var> GMT+0 Identified -
 Maintenance is now in progress.
Jun <var data-var='date'> 4</var>, <var data-var='time'>02:00:00</var> GMT+0 Identified -
 We will be performing scheduled maintenance on the **cumulocity-trial-eu-central-1** environment. This maintenance includes a database migration and kernel patching.

The maintenance is scheduled for June, 5th 04.00-07.00 CEST.

**No outage is expected.** During the maintenance, you may experience brief interruptions to write operations lasting only a few seconds as database components are transitioned. Additionally, application services will be restarted in a rolling fashion, which may cause short intermittent hiccups.

The expected maintenance window is approximately 2–3 hours. No action is required on your end. We will post updates here as the maintenance progresses.

Thank you for your patience..

Is Cumulocity IoT down?

Cumulocity IoT status is UP

Lastest published events

Platform Issue | EMEA

Platform Issue | EMEA

Emergency DataHub Maintenance | US

Cumulocity IoT Services, Components and Regions

Recent Cumulocity IoT events

Platform Issue | EMEA

Platform Issue | EMEA

Emergency DataHub Maintenance | US

Emergency DataHub Maintenance | EMEA

Platform Issue | CUMULOCITY.COM

Emergency Standard Maintenance | CUMULOCITY.COM