---
title: "Search Engine Service troubleshooting"
slug: "ses-troubleshoot"
updated: 2026-09-17T09:03:48Z
published: 2026-09-17T09:18:24Z
canonical: "guide.ncloud-docs.com/ses-troubleshoot"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Search Engine Service troubleshooting

Available in Classic and VPC

This page lists problems you might run into when using Search Engine Service. Click on the error to see more details.

## Troubleshoot Cluster issues

The following are examples of cluster errors you might encounter:

[Cluster status - Warning](/docs/en/ses-troubleshoot-cluster#%ED%81%B4%EB%9F%AC%EC%8A%A4%ED%84%B0%EC%83%81%ED%83%9C%EA%B2%BD%EA%B3%A0) The cluster status shows Warning.

[Change manager node redundancy settings](/docs/en/ses-troubleshoot-cluster#G11%EC%84%B8%EB%8C%80%EC%84%9C%EB%B2%84%EB%A1%9C%EC%8B%A0%EA%B7%9C%ED%81%B4%EB%9F%AC%EC%8A%A4%ED%84%B0%EC%83%9D%EC%84%B1%EB%B6%88%EA%B0%80Classic) You want to change redundancy settings while the manager node is running. After creating a manager node, you cannot separate data nodes and master nodes while in operation.

[Cannot create a new cluster with G1 first‑generation servers in Classic](/docs/en/ses-troubleshoot-cluster#G11%EC%84%B8%EB%8C%80%EC%84%9C%EB%B2%84%EB%A1%9C%EC%8B%A0%EA%B7%9C%ED%81%B4%EB%9F%AC%EC%8A%A4%ED%84%B0%EC%83%9D%EC%84%B1%EB%B6%88%EA%B0%80Classic) You cannot create a new cluster with G1 first‑generation servers in the Classic environment.

## Backup and log issues

The following are examples of backup and log errors you might encounter:

[Snapshot creation failed](/docs/en/ses-troubleshoot-log#) Snapshot creation failed.

[Log transfer failed](/docs/en/docs/ses-troubleshoot-log#) Logs cannot be sent for a specific time.

[Compliance settings not applied](/docs/en/ses-troubleshoot-log#) You changed Compliance settings in OpenSearch Dashboards, but they were not recorded in logs and were not applied.

## Troubleshoot access issues

The following are examples of access errors you might encounter:

[SSH connection failed](/docs/en/ses-troubleshoot-connection#SSH%EC%A0%91%EC%86%8D%EB%B6%88%EA%B0%80) SSH fails and a connection timeout occurs.

[Cannot access Kibana on port 80 when using SSL VPN on Windows](/docs/en/ses-troubleshoot-connection#WindowsOS%ED%99%98%EA%B2%BD%EC%97%90%EC%84%9CSSLVPN%EC%9D%84%EC%9D%B4%EC%9A%A9%ED%95%9CKibana%EC%A0%91%EC%86%8D%EC%8B%9C80%ED%8F%AC%ED%8A%B8%EB%A1%9C%EC%A0%91%EC%86%8D%EB%B6%88%EA%B0%80) When you access Kibana with SSL VPN on Windows, port 80 is unavailable.

[Troubleshoot "No server is available to handle this request" error message](/docs/en/ses-troubleshoot-connection-log#Noserverisavailabletohandlethisrequest%EC%98%A4%EB%A5%98%EB%A9%94%EC%8B%9C%EC%A7%80) When testing through the ALB, the message "No server is available to handle this request" appears.

## Troubleshoot visualization tool and add‑on issues

The following are examples of visualization tools and add‑ons errors you might encounter:

[TSVB visualization not visible in Kibana](/docs/en/ses-troubleshoot-visual#Kibana%EC%97%90%EC%84%9CTSVBType%EC%9D%98Visualization%EC%9D%B4%EB%B3%B4%EC%9D%B4%EC%A7%80%EC%95%8A%EC%9D%8C) TSVB‑type visualizations are not visible in Kibana.

[Stack Monitoring not supported](/docs/en/ses-troubleshoot-visual#%EC%8A%A4%ED%83%9D%EB%AA%A8%EB%8B%88%ED%84%B0%EB%A7%81StackMonitoring%EA%B8%B0%EB%8A%A5) You installed Elasticsearch OSS 7.7.0, but the Stack Monitoring feature is not visible.

[X‑Pack not supported in Elasticsearch](/docs/en/ses-troubleshoot-visual#Elasticsearch%EC%97%90XPack%EA%B8%B0%EB%8A%A5%EB%AF%B8%EC%A7%80%EC%9B%90) Elasticsearch provided by Search Engine Service does not include X‑Pack.

## Learning resources

We offer various materials for you to explore. To learn more about Search Engine Service, check out these helpful links:

- FAQs: [Search Engine Service FAQs](https://www.ncloud.com/support/faq/prod?categoryCode2=ANALY&categoryCode3=SV_0111&page=1)
- NAVER Cloud Platform blog: [Create Search Engine Service and Cloud Data Streaming Service with Terraform!](https://blog.naver.com/n_cloudplatform/223024178072?trackingCode=blog_bloghome_searchlist)

              Note

              

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