Neo4j Aura Status

**What Happened** During the incident window, users attempting to log in to the Aura Console were unable to do so. Auth0, the authentication provider for Aura Console, experienced an issue that prevented new authentication requests from completing. Existing sessions with valid cached tokens were largely unaffected. Aura database instances were running normally throughout and were not impacted, and access via the Aura API to database instances was also unaffected. **How the service was affected** Authentication requests from the Aura Console to Auth0 began failing, preventing new logins and session refreshes. Affected users received 503 errors when accessing the Aura Console. Once Auth0 recovered, access was restored. **What are we doing now** We've made two changes as a result of this incident: * Client identification: Authentication requests now include a clearer client identifier, reducing the chance of requests being incorrectly blocked in the future. * Observability: We've improved logging and alerting for authentication failures, including better visibility into errors from external services,so we can detect and escalate issues like this faster.

## What Happened On March 6, at 10:04 AM UTC,  the Aura Console became inaccessible following a recent deployment. The deployment included changes related to user organizations and switching to an org memberships entity. This change caused the console to become inaccessible for a short period. ## How the service was affected A deployment to the Aura Console introduced an issue that caused an unexpected increase in backend requests related to access validation. This led to elevated CPU usage, which impacted the availability of the console and dependent services. We rolled back to a previous version to restore access. The rollback ensured the full restoration of access to the Aura Console, resolving the core issue within the incident window ## What are we doing now We are currently implementing a comprehensive strategy to bolster system resilience and prevent future recurrence. Our immediate actions include integrating stricter and more robust safeguards into the deployment pipeline. Crucially, we are significantly enhancing our validation processes to proactively detect and flag any potential performance impacts _before_ code is promoted to the production environment

## What Happened An issue was introduced in the Neo4j 2026.02 release where MERGE queries that referenced the same property on both the left and right sides of an `ON MATCH SET` or `ON CREATE SET` clause could potentially delete that property from the node or set it to an invalid value during query execution. This behaviour was observed specifically when the node being matched had at least one property uniqueness constraint. ## How the service was affected A change in the Neo4j 2026.02 release introduced a potential risk of writes failing or invalid data being returned for queries using MERGE together with `ON MATCH`. This issue affected instances across Aura tiers and required immediate investigation by Neo4j Engineering. The team identified the root cause and deployed a fix in version 2026.02.1. ## What are we doing now The following proactive measures have been implemented to reduce the likelihood of similar incidents: * We have strengthened test coverage for `ON CREATE` and `ON MATCH` clauses, particularly those involving more complex expressions. * We are investigating additional safeguards to improve our ability to control MergeInto/MergeUnique behaviour more flexibly, as well as potential rollback capabilities to support recovery in future incidents

## What Happened On March 1, at 12:51 PM UTC, AWS services in the ME-CENTRAL-1 & ME-SOUTH-1 Region were impacted. Connectivity and power issues affected APIs and AWS core services essential to run Neo4j Aura prompting AWS to initiate an investigation ## How the service was affected Operations \(clone, backup, resuming/pausing, resizing\) that require additional resources like EC2 Instances, EBS Volumes, and other resources were impaired in the ME-CENTRAL-1 and ME-SOUTH-1 Region. Other AWS Services also experienced error rates and latencies for some workflows. Due to the ongoing conflict in the Middle East, both affected regions have experienced physical impacts to infrastructure. A detailed summary of the AWS regional incident can be found here:[ https://health.aws.amazon.com/health/status](https://health.aws.amazon.com/health/status) ## What are we doing now We are actively working to limit the impact on the Neo4j Aura service. However, customers should expect that new deployments in the affected regions may be impaired. Additionally, existing services deployed in these regions may experience reduced availability. Customers with services in these or nearby regions who are concerned about potential operational impact are encouraged to contact Neo4j Customer Support through the usual channels Please visit AWS Status page for more info:[https://health.aws.amazon.com/health/status](https://health.aws.amazon.com/health/status)

The fix has been fully deployed to all impacted instances. This incident is now resolved.

### **What happened** On January 15, 2026 at 22:12 UTC we began rolling out an update that included an incompatible version of a key component, affecting customers using the GDS plugin. This issue was reported on January 16 at 12:59 UTC, and a fix was deployed within hours, restoring functionality for the majority of affected users by 20:03 UTC.  The issue occurred because Neo4’s packaging automation process selected the wrong version of the GDS component. GDS 2.25 should have been selected but instead GDS 2.24 was included in the bundle, which caused a compatibility issue. Although a corrected package was created and labeled separately, the release pipeline selected the incorrect package for deployment.  This issue highlighted a gap in the release validation process, where incompatible component versions were not detected before rollout. ### **How customers were affected** Customers using the GDS plugin were unable to use any of the functionality the plugin provides during the incident window.  The system configuration has been updated to ensure compatibility with the intended component versions, restoring full functionality. ### **What we are doing now** The following mitigations have been implemented:  * Enhanced testing procedures to automatically verify compatibility between Neo4j and all bundled components before release. * Improved release processes to ensure that only explicitly validated and correctly labeled packages can be selected for deployment.

### **What Happened** Starting at 13:26 UTC on November 24th Microsoft Azure region eastus experienced a stock out situation, which impacted operations for all tiers of Neo4j Aura in that specific region. Additional capacity was requested straight away, but not until 17:06 UTC on December 10th did enough additional resources become available to resume all normal operations. **How the service was affected** All tiers within the Neo4j Aura Service were impacted when performing the following operations during this incident: Create, Resize \(CPU and Storage\), Clone, Pause and Resume. If Microsoft Azure resources were unavailable when requesting these types of Neo4j operations, the operation would fail, and the Neo4j instance would become unavailable until Azure was able to provision additional resources.  ### **What are we doing now** To mitigate the scope of impact of future regional stock out issues, Neo4j is implementing the following measures: * Closely monitoring resource capacity to improve stockout predictions. * Regular calls with with our Cloud Service Provider to: * Learn about where regional resource capacity restrictions are forecast. * Plan for more resources in restricted regions. * Investigating other deployment models to allow us to keep Aura running in situations where 3 Availability Zones are not available.

### What happened On November 18, 2025, some customers experienced issues with the delete, pause, and resume operations in the Console. These actions failed due to a temporary system issue introduced during a sequence of updates. While the updates were intended to improve functionality, they unintentionally reintroduced a previously resolved defect. The issue was identified quickly, and our teams acted immediately to restore normal operation. The root cause was a misconfiguration in the data processing module. An outdated schema caused the data parsing logic to misinterpret certain input parameters, leading to incorrect behavior and data display within the Console. We have since corrected the schema and added stricter validation to ensure compatibility moving forward. ### How customers were affected During the incident, some users experienced service disruptions when accessing the Console. Impacts included: * Intermittent connectivity issues * Inability to log in * Temporary unavailability of specific Console features No customer data was lost. To prevent a recurrence, we have improved our release process to ensure updates are deployed in the correct order, eliminating overlapping or out-of-sequence changes. ### What we are doing now Neo4j takes service reliability seriously and is strengthening safeguards to prevent similar incidents. New mitigations being deployed include: * Enhanced monitoring to detect related issues earlier * Additional automated checks to block faulty configurations before deployment * Improvements to overall service resilience to better tolerate similar failures We apologize for the disruption and appreciate our customers’ patience as we continue to harden our systems.

### **What Happened** Between 08:41 UTC on October 20th and 09:00 UTC on October 21st, Neo4j Aura experienced service disruptions affecting the us-east-1 \(N. Virginia\) region in AWS. The incident was triggered by a broad AWS regional outage impacting Identity and Access Management \(IAM\) and the EC2 control plane. This resulted in delayed backups, temporary loss of database fault tolerance for a subset of users, and internal delays in administrative actions due to toolchain failures. A detailed summary of the AWS regional incident can be found here: [https://aws.amazon.com/message/101925/](https://aws.amazon.com/message/101925/) ### **How the service was affected** The primary cause was several AWS regional service disruptions in us-east-1. We will cover how each of these affected Neo4j Aura and its users. Neo4j Aura is designed to isolate regional failures. This is achieved through deploying customer instances in Orchestras that have instances in three availability zones and no cross region dependencies. AWS IAM and Identity Center became unresponsive, preventing Neo4j Aura’s automated systems from authenticating with AWS resources in us-east-1. This affected Neo4j Aura backups to be written to AWS S3 buckets. Customers were also not able to resume paused instances during this period as the resume process was not able to authenticate with AWS S3 buckets to retrieve the paused data set. Neo4j Aura’s inability to authenticate with Route53 to create new DNS entries affected Neo4j Aura DB creation, as new databases were created. AWS Network Load Balancer health check system failures and AWS EC2 “request limit exceeded” or “insufficient capacity” errors in us-east-1 were false negatives with the NLB heath checks which resulted in some Neo4j Aura DB clusters in us-east-1 losing fault tolerance \(1 out of 3 cluster members unavailable\). When this happened instances were removed by kubernetes and we were not able to provision new ones due to the EC2 failures noted earlier, leaving the clusters without fault tolerance for a prolonged period of time. All of these clusters still had full availability of the other two cluster members. ### **What are we doing now** Largely Neo4j Aura responded as designed to these events, isolating failures to us-east-1, with no to minimal cross system failure propagation. The cross cloud impact of creating DNS records for new instances was the main outlier.  To mitigate the scope of impact of future regional outages, Neo4j is implementing the following measures: * Full Neo4j Aura reviews to ensure Neo4j Aura design is implemented as intended across all sub-systems to surface any cross region dependencies.  * Remove identified cross-region dependencies.

### **What Happened** Between 08:41 UTC on October 20th and 09:00 UTC on October 21st, Neo4j Aura experienced service disruptions affecting the us-east-1 \(N. Virginia\) region in AWS. The incident was triggered by a broad AWS regional outage impacting Identity and Access Management \(IAM\) and the EC2 control plane. This resulted in delayed backups, temporary loss of database fault tolerance for a subset of users, and internal delays in administrative actions due to toolchain failures. A detailed summary of the AWS regional incident can be found here: [https://aws.amazon.com/message/101925/](https://aws.amazon.com/message/101925/) ### **How the service was affected** The primary cause was several AWS regional service disruptions in us-east-1. We will cover how each of these affected Neo4j Aura and its users. Neo4j Aura is designed to isolate regional failures. This is achieved through deploying customer instances in Orchestras that have instances in three availability zones and no cross region dependencies. AWS IAM and Identity Center became unresponsive, preventing Neo4j Aura’s automated systems from authenticating with AWS resources in us-east-1. This affected Neo4j Aura backups to be written to AWS S3 buckets. Customers were also not able to resume paused instances during this period as the resume process was not able to authenticate with AWS S3 buckets to retrieve the paused data set. Neo4j Aura’s inability to authenticate with Route53 to create new DNS entries affected Neo4j Aura DB creation, as new databases were created. AWS Network Load Balancer health check system failures and AWS EC2 “request limit exceeded” or “insufficient capacity” errors in us-east-1 were false negatives with the NLB heath checks which resulted in some Neo4j Aura DB clusters in us-east-1 losing fault tolerance \(1 out of 3 cluster members unavailable\). When this happened instances were removed by kubernetes and we were not able to provision new ones due to the EC2 failures noted earlier, leaving the clusters without fault tolerance for a prolonged period of time. All of these clusters still had full availability of the other two cluster members. ### **What are we doing now** Largely Neo4j Aura responded as designed to these events, isolating failures to us-east-1, with no to minimal cross system failure propagation. The cross cloud impact of creating DNS records for new instances was the main outlier.  To mitigate the scope of impact of future regional outages, Neo4j is implementing the following measures: * Full Neo4j Aura reviews to ensure Neo4j Aura design is implemented as intended across all sub-systems to surface any cross region dependencies.  * Remove identified cross-region dependencies.

The scheduled maintenance has been completed.

The scheduled maintenance has been completed.

The scheduled maintenance has been completed.

The scheduled maintenance has been completed.

The scheduled maintenance has been completed.

The scheduled maintenance has been completed.

The scheduled maintenance has been completed.