A Partial Copy sandbox contains your production org's metadata and a selected subset of data defined in a sandbox template. It is best used for quality assurance tasks such as User Acceptance Testing (UAT), integration testing, and training. This article covers key considerations for creating and refreshing a Partial Copy sandbox in Salesforce.
Note: A Partial Copy sandbox requires a sandbox template to be created first. Without a sandbox template, the 'Create' button will not appear.
A Partial Copy sandbox requires that you create a sandbox template first; otherwise, you will not be able to see the 'Create' button. For steps to create a template, review Create or Edit Sandbox Templates.
A Partial Copy sandbox includes the following by default:
As defined in your sandbox template, a Partial Copy sandbox can also include standard and custom object records and Attachments up to 5 GB, with a maximum of 10,000 records per selected object.
Portal or Community (external) User records are not copied to Partial Copy sandboxes during a refresh. This is expected behavior for performance reasons and may result in Cases or other object records associated with external users being inaccessible or showing layout-related issues.
<ObjectAPINameHere> with the API name of the affected object (for example, Case or Contact):SELECT Id FROM <ObjectAPINameHere> WHERE LastModifiedBy.UserType = '' OR CreatedBy.UserType =''
There is no fix currently available for affected records. It is advised to ignore them in affected sandboxes.
If the 'Refresh' button is not available in the action column under Setup | Sandboxes, the sandbox refresh interval has not elapsed or the sandbox is not yet due for refresh.
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