Outage in Neo4j Aura
AuraDB issue: Errors when running CREATE VECTOR INDEX
Resolved MinorIncident Report
Running CREATE VECTOR INDEX fails with error 51N31
error: system configuration or operation exception - not supported. Creating a vector index with provided settings is not supported in V2026_02. Required version for operation is V2026_06. Please upgrade DBMS..
This only affects new index, existing VECTOR INDEX are unaffected.
Any vector index created prior to 2026-06-30 at 09:00 continue to operate normally.
Components affected
Neo4j Aura AuraDS Enterprise on GCP (*.databases.neo4j.io) Neo4j Aura AuraDB Business Critical (*.databases.neo4j.io) on GCP Neo4j Aura AuraDB Professional on Azure (*.databases.neo4j.io) Neo4j Aura AuraDB Professional on GCP (*.databases.neo4j.io) Neo4j Aura AuraDS Enterprise on Azure (*.databases.neo4j.io) Neo4j Aura AuraDB Business Critical (*.databases.neo4j.io) on Azure Neo4j Aura AuraDS Enterprise on AWS (*.databases.neo4j.io) Neo4j Aura AuraDB Business Critical (*.databases.neo4j.io) on AWS Neo4j Aura AuraDB Professional on AWS (*.databases.neo4j.io)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
18 days ago - at 06/30/2026 05:45PM
The fix has been fully deployed to all impacted instances. This incident is now resolved.
MONITORING
18 days ago - at 06/30/2026 04:05PM
A fix is rolling out and progressing well. We will update with progress.
IDENTIFIED
18 days ago - at 06/30/2026 03:41PM
We are starting now to deploy a fix to address this issue and will provide an update soon on progress.
IDENTIFIED
18 days ago - at 06/30/2026 02:45PM
Running CREATE VECTOR INDEX fails with error 51N31
error: system configuration or operation exception - not supported. Creating a vector index with provided settings is not supported in V2026_02. Required version for operation is V2026_06. Please upgrade DBMS..
This only affects new index, existing VECTOR INDEX are unaffected.
Any vector index created prior to 2026-06-30 at 09:00 continue to operate normally.
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