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# Add an alias range to a CU image

Unisphere supports the addition of an alias range to a CU image.

## Prerequisites

The storage system must be running HYPERMAX OS 5977 Q1 2016.

See Roles and associated permissions to determine the user roles that can perform this task.

## About this task

To add an alias range to a CU image:

## Steps

1. Select the storage system.
2. Click CU Images, select the CU image to which you want to add an alias range and click Assign Alias Range.
3. Type the Start Alias (Next available address).
   The minimum value that is allowed is 00.
4. Type the End Alias.
   The maximum value that is allowed is FF.
5. If required, select Reserve Volumes.
6. Do one of the following:
   - Click Run Now to perform the operation now.
   - Expand Run Now and click Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.