Rokko11 ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=712020%... ) *commented* on HSEARCH-4867 ( https://hibernate.atlassian.net/browse/HSEARCH-4867?atlOrigin=eyJpIjoiODI... ) Re: Support AWS OpenSearch Serverless ( https://hibernate.atlassian.net/browse/HSEARCH-4867?atlOrigin=eyJpIjoiODI... ) Sorry, with out-of-the-box I meant the configuration options 😉. Yes. When I change the “es” to “aoss” in the debugger then I get following response error: Response: 403 'Forbidden' from 'https://xxx.region.aoss.amazonaws.com' with body { "status": 403, "request-id": "<uuid>", "error": { "reason": "Customer authentication failed: ResultDetail: { Code\u003dInvalidSignature, Message\u003dInvalid signature, does not match, }", "type": "AccessDenied" } } ( https://hibernate.atlassian.net/browse/HSEARCH-4867#add-comment?atlOrigin... ) Add Comment ( https://hibernate.atlassian.net/browse/HSEARCH-4867#add-comment?atlOrigin... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100225- sha1:3b7cdab )