Maintenance advisories
This page covers any upcoming maintenance activities related to StackOps. These advisories are also communicated to StackOps users via email. If you have any queries, please contact us.
Aug 2026
There are currently no upcoming maintenance planned for the month.
Jul 2026
Elastic Maintenance: Elastic Inference Service (EIS)
Elastic has a planned maintenance for Elastic Inference Service (EIS) on Wednesday, 29 July 2026, from 06:00 AM - 07:30 AM SGT.
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 29 Jul 2026 0600 hrs to 0730 hrs | EIS Maintenance | The maintenance will be applied progressively across regions. StackOps users using EIS may experience intermittent interruptions to EIS-powered features (such as semantic search, reranking, embeddings, Elastic AI Agent, and Attack Discovery), and some inference requests may fail. Those using alternative inference providers will not be affected. |
If you experience failed requests, retry them after the maintenance window. If you continue to experience issues with EIS after the maintenance window has ended, raise a ticket with StackOps. |
Elastic Maintenance: Elastic Inference Service (EIS)
Elastic has a planned maintenance for Elastic Inference Service (EIS) on Thursday, 02 July 2026, from 05:00 AM - 06:00 AM SGT.
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 02 Jul 2026 0500 hrs to 0600 hrs |
EIS Maintenance | StackOps users using EIS may experience brief intermittent request failures while DNS and TLS changes propagate. These may surface as transient DNS resolution failures, TLS certificate validation failures, or HTTP 5xx errors. Those using alternative inference providers are not expected to be affected. |
Retry any failed requests after the routing changes have completed. If you continue to experience issues after the maintenance window has ended, raise a ticket with StackOps. |
March 2026
StackOps Maintenance: Internal infrastructure
StackOps will be conducting scheduled internal infrastructure maintenance from Monday, 23 March 8:00 PM to Tuesday, 24 March 2:00 AM (SGT).
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 23 March 8PM to 24 March 2AM |
Scheduled internal infrastructure maintenance. |
|
Avoid using Console and Techbiz for any StackOps-related operations during the maintenance window. |
December 2025
StackOps Maintenance: Kibana
StackOps will be performing maintenance activities on 11 December 2025 (Thurs) to 15 December 2025 (Mon).
This maintenance is to implement a workaround for the vulnerabilities present in Kibana versions earlier than 8.19.7. A Kibana restart is required, which will result in a brief service downtime.
Note: For deployments with versions below 8.19.7, we strongly recommend upgrading to the latest version as soon as possible.
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 11 Dec 2025 0900 hrs to 15 Dec 2025 1800 hrs |
Patch to update Kibana configuration settings | Minimal disruption. All other StackOps services will continue to function as usual. |
Nil. |
Elastic Maintenance: Container registry
Elastic will be performing maintenance activity on 1 Dec 2025, 1600 hrs to 1900 hrs (SGT) and 2 Dec 2025 1600 hrs to 1900 hrs (SGT).
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 1 Dec 2025 1600 hrs to 1900 hrs 2 Dec 2025 1600 hrs to 1900 hrs |
Container registry (docker.elastic.co) Maintenance | Intermittent slowness or brief errors when accessing the service. | Nil. |
November 2025
StackOps Maintenance: Kibana
StackOps will be performing maintenance activities on 17 November 2025 (Monday) from 1700 hrs to 1900 hrs (SGT).
This maintenance is to remediate vulnerabilities for Elasticsearch versions below 8.19.0.
Note: Deployments with versions below 8.19.5, we strongly recommend upgrading to the latest version at your soonest. Please raise a ticket to request for upgrade by 12 November 2025.
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 17 Nov 2025 1700 hrs to 1900 hrs | Patch to update Kibana configuration settings | - Nil or Minimal disruption. - All other StackOps services will continue to function as usual. |
Nil. |
September 2025
Elastic Maintenance: Docker Registry
StackOps will be performing maintenance activity on Wed 24 Sep 2025, 1200 hrs to 1300 hrs (SGT).
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 24 Sep 2025 1200 hrs to 1300 hrs | Docker Registry Maintenance | Unable to deploy Elastic Agent during the maintenance period. | Deploy Elastic Agent outside the maintenance period. |
StackOps Maintenance: Features on Console
StackOps will be performing maintenance activity on Wed 24 Sep 2025, 1300 hrs to 1700 hrs (SGT).
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 24 Sep 2025 1300 hrs to 1700 hrs | Infra updates on StackOps-related features on Console Portal | StackOps features would be intermittently unavailable during the maintenance period. | Perform necessary verifications during the shakedown window within 1 hr after the maintenance period to facilitate speedy remediation and response at our end. |
July 2025
Elasticsearch Maintenance
StackOps will be performing maintenance activities in batches from 3 July to 31 July 2025 (both days inclusive).
This maintenance is to remediate the vulnerabilities affecting Elasticsearch versions below 8.16.0.
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 3 July 09:00 hrs to 31 July 18:00 hrs | Plugin patch and rolling restart | - Minimal/intermittent disruption. - All other StackOps services will continue to function as usual. |
Nil. |
May 2025
SIEM Baseline rules update
StackOps will be performing maintenance activities in batches from 19 May to 23 May 2025 (both days inclusive). This maintenance is to update SIEM baseline and Exception list rules to align with security & compliance.
Find more details in the table below.
| Maintenance window | Activities | Impact/Risk | Action Required |
|---|---|---|---|
| 19 May 09:00 to 23 May 17:00 | Update SIEM baseline and Exception list rules | - Minimal disruption and temporary spike in JVM usage. - All other StackOps services will continue to function as usual. |
Nil. |
