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# Change registration details

The Unisphere Performance Management application enables the user to gather, view, and analyze performance data to troubleshoot and optimize the storage systems.

## About this task

## Steps

1. Select .
2. Select Performance > System Registrations.
3. Hover over the storage system name or All.
4. Click .
5. In the Registration Details dialog box, update one or both of the following fields:
   - Collection Recovery (Hours)—The amount of data that the storstpd daemon saves if the Performance server or the Performance database is not ready to accept new data points (default is 24 hours.)
   - Diagnostic Interval (Minutes)—The frequency of polling in the Diagnostic view (a default of 5 minutes is recommended.)
6. Click OK.