> ### Effects of an AdminServer warm start on Fathom

> An AdminServer warm start is a user-initiated process that allows you to manually edit the `ubroker.properties` file while the AdminServer is running. Performing this type of activity is reserved for making small, simple changes to an individual resource's configuration properties stored in the `ubroker.properites` file.

> Some benefits to performing a warm start include eliminating the:

> - Use of the Progress Explorer tool to perform minimal configuration changes.
> - Requirement to stop and restart the AdminServer to accommodate unique situations that might require you to manually edit the `ubroker.properties` file, minimizing Fathom downtime.

> For more extensive changes to the `ubroker.properties` file, it is recommended that you use the Progress Explorer tool.

> Caution: Due to the potential for file corruption and other possible unintended side effects of initiating a warm start, it is recommended that only advanced OpenEdge users who understand the concepts and activities presented in this section consider performing the warm start activity as described.

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