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Unable to run full search crawl or Incremental in SharePoint (on premise) 2016

Ali 1 Reputation point
2020-09-21T06:12:54.243+00:00

We are experiencing search function issues even though the incremental search crawl had been running on Application server every 4 hours for the past 18 months. Decided to run a full search but it did not finish running so Stopped it. Even since then we have been unable to run a full or incremental crawl without errors or latency issues.

Error example "The item could not be indexed successfully because the item failed in the indexing subsystem. ( The item could not be indexed successfully because the item failed in the indexing subsystem.; Caught exception when preparing generation GID[82146]: (Not enough free parts for a new generation to be prepared.); Aborting insert of item in Link Database because it was not inserted to the Search Index.; ; SearchID =_______________________________________"

We have also discovered that an upgrade is required on the Web Front End Server and Application Server - upgraded last in 2017 when SP2016 farm was implemented.

Tried to upgrade to August 2020 Patch 16.0.5044.1001 this also failed.

We still have the search function issue and not sure where to progress from here , any ideas are welcome?

SharePoint Server Management
SharePoint Server Management
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Management: The act or process of organizing, handling, directing or controlling something.
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  1. MichaelHan-MSFT 18,026 Reputation points
    2020-09-22T02:15:52.14+00:00

    Hi @Ali ,

    Per my research, I found some similar issues here:

    the-item-could-not-be-indexed-successfully-because-the-item-failed-in-the-indexing-subsystem

    what-is-the-source-of-this-crawl-error-the-item-could-not-be-indexed-successful

    You could try the way they provided: increased the drive space of the index, reset the index, reboot the crawl server and run a full crawl.

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