Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Product Name

SQL Server

Event ID


Event Source




Symbolic Name


Message Text

The fulltext filter daemon host (FDHost) process has stopped abnormally. This can occur if an incorrectly configured or malfunctioning linguistic component, such as a wordbreaker, stemmer or filter has caused an irrecoverable error during full-text indexing or query processing. The process will be restarted automatically.

The full-text filter daemon host has encountered some problem that has forced it to stop abnormally. The cause of the problem could be a badly formatted document, a bug in the filter or word-breaker, or a problem in filter daemon.

Typically, the daemon will recover from the error. If it is consistently failing, troubleshooting is necessary. Try the following to isolate the issue:

  1. If a new linguistic component has been installed recently, remove it from the system.

  2. Look at the crawl log to identify any new document that failed to be full-text indexed, and remove it.

Community Additions