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# DREREGENERATE

Allows you to regenerate an index. You can use this index action to:

- update a specified index after a validation failure, or if you want to modify or define new fields after indexing content into Distributed Index Handler, without reindexing your data.

- update the field configuration for your server, and regenerate any indexes, without restarting the server.

- fix the parent-child relationships for ReferenceMemoryMappedType fields that have been indexed out of order. For example, a child in the hierarchy might be indexed before its parent.

## Example

    http://12.3.4.56:20001/DREREGENERATE?Type=Numeric,NumericDate

## Parameters

Parameter | Description | Required
--- | --- | ---
AugmentFieldCSVs | A list of fields to add to the FieldProcessingSection PropertyFieldCSVs parameter. |
AugmentNegativeFieldCSVs | A list of fields to add to the FieldProcessingSection PropertyNegativeFieldCSVs parameter. |
DiminishFieldCSVs | A list of fields to remove from the FieldProcessingSection PropertyFieldCSVs parameter. |
DiminishNegativeFieldCSVs | A list of fields to remove from the FieldProcessingSection PropertyNegativeFieldCSVs parameter. |
FieldProcessingSection | The field processing configuration section that you want to update. | see Comments
IgnoreMaxPendingItems | Whether to ignore the IndexQueueMaxPendingItems limit for this index action. |
IndexUID | An identification code for any document tracking events. |
Priority | The priority for the index job. |
Type | The type of index to regenerate. | see Comments

## Comments

You must set the Type parameter, unless you have also specified the FieldProcessingSection parameter.

If you set AugmentFieldCSVs, AugmentNegativeFieldCSVs, DiminishFieldCSVs, or DiminishNegativeFieldCSVs, you must also set FieldProcessingSection.

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