# Degraded index partition yellow warning

- Link: https://sharepointtechnicalsupport.com/2021/07/23/degraded-index-partition-yellow-warning/
- Published: 2021-07-23T03:31:22+05:30
- Author: Deviprasad Panda

Degraded index partition yellow exclamation mark waring for sharepoint search index
partition noticed. Sharepoint search correlation id error when user try to search.
Yellow exclamation mark in sharepoint [search Index](https://docs.microsoft.com/en-us/sharepoint/search/manage-the-index)
partitioning warning indiactes towards search Index degraded.

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You can run the command below to find index partition status.

    ```wp-block-code
    $SearchServiceApplication = Get-SPEnterpriseSearchServiceApplication
    Get-SPEnterpriseSearchStatus -SearchApplication $SearchServiceApplication -Text
    ```

![search index partition yellow warning](https://i0.wp.com/sharepointtechnicalsupport.
com/wp-content/uploads/2025/06/529b8-search-index-partition-yellow-warning.jpg?resize
=256%2C315&ssl=1)

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You can follow the blog below to find and analyze log based on the correlation id
error you got while searching in sharepoint site.

> [merge splogfile correlation id start time end time](https://atomic-temporary-119393429.wpcomstaging.com/merge-splogfile-correlation-id-start-time-end-time/)

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Stopped crawling that were running and waited to check the status of [index partition](https://docs.microsoft.com/en-us/sharepoint/search/manage-the-index-component)
yellow exclamation mark waring. Wait for some time and check the index partition
status.

[Cleared config cache](https://sharepointtechnicalsupport.com/configuration-cache-clearing-sharepoint-2019-step-by-step/)
following the steps mentioned in blog below and then rebooted search server.

 [https://sharepointtechnicalsupport.com/configuration-cache-clearing-sharepoint-2019-step-by-step/](https://sharepointtechnicalsupport.com/configuration-cache-clearing-sharepoint-2019-step-by-step/)

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Restarted windows search services like SharePoint Search Host Controller and SharePoint
Server Search 16 following steps below.

    ```wp-block-code
    net stop SPSearchHostController
    net start SPSearchHostController
    net stop OSearch16
    net start OSearch16
    ```

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Open SharePoint Central Admin and click on Application Management from left navigation.
Under Service Application click on Manage services on server. Identify the service
SharePoint Server Search and click on Restart. If SharePoint Server Search stuck
on Stopping state then follow the blog below to [reprovision sharepoint search service](https://sharepointtechnicalsupport.com/reprovision-sharepoint-search-service/).

 [https://sharepointtechnicalsupport.com/reprovision-sharepoint-search-service/](https://sharepointtechnicalsupport.com/reprovision-sharepoint-search-service/)

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Check event logs. If you are getting error with properties as below.

Event ID: 45
 Task Category: Index Lookup Description: Query2-78786d46-hd02-5b20-
a3bd-e87sf943: Index lookup failed to work since no active index cell was available

Event ID: 283
 Task category: Document Parsing Description: Excel generic Format
Handler failed to parse with exception: Max output size of 2000000 has been reached
while parsing

Event ID: 169
 Task category: SP index related tasks Description: System Index2-
94638-sb04-3b50-c3bd-b47be55cd877. Index system SPd92d9d4227cb. Invalidating index
cell I.0.1

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The above event logs give more confirmation that sharepoint search index corrupt.
Finally do search index reset. Degraded index partition yellow warning will be resolved.
You can follow the steps below to do [search index reset](https://sharepointtechnicalsupport.com/reset-search-index-all-crawled-content-source-in-sharepoint-2019-powershell/).

 [https://sharepointtechnicalsupport.com/reset-search-index-all-crawled-content-source-in-sharepoint-2019-powershell/](https://sharepointtechnicalsupport.com/reset-search-index-all-crawled-content-source-in-sharepoint-2019-powershell/)

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Restart SharePoint Search Host Controller service.

    ```wp-block-code
    net stop SPSearchHostController
    net start SPSearchHostController
    ```

Degraded index partition yellow exclamation mark waring is resolved. Start full 
crawling of all content sources.

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