Error Pages
Note
Indexing Service is no longer supported as of Windows XP and is unavailable for use as of Windows 8. Instead, use Windows Search for client side search and Microsoft Search Server Express for server side search.
Through registry settings, it is possible to configure .htx files to display in the event errors are encountered while executing a search. Any of the file's error types can cause an error page to be displayed:
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Query error
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An error in a query specification (CiRestriction). This is most likely a user error.
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Error in HTML extension file
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An error was found while formatting the .htx file. This is probably a configuration error.
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Error in Internet Data Query (.idq) file
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An error was found in the query parameter file. This is probably a configuration error, although it might also occur due to unexpected data input from a form.
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Some other error
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An unspecified error occurred.
Error pages have access to some of the variables available to .htx files. In addition, there is a variable CiErrorMessage, which gives a message describing the error. See .Idq File Errors and .Htx File Errors for a list of the possible values of CiErrorMessage and Error Messages and Error Pages for details on Indexing Service error messages.