Summary
By default the Identity Manager (IDM) Dashboard Provisioning Display Setting "Options for number of results displayed per page" is set to 5,10,20,25,50,100,500. Making any changes to this setting breaks the results per page functionality.

Products
Identity Manager (IDM)

Environment
Identity Manager (IDM) 4.8.x

Situation
In the IDM Dashboard > Configuration > Provisioning Display > General Display Settings, the administrator has the ability to configure values for "Options for number of results displayed per page" so that when a legacy form returns results a user can specify the number of rows displayed by the the interface. By default, the values are 5, 10, 25, 50, 100, 500:

If you make any change to this setting it breaks the list presented to the user. In the below example the value of 500 was removed so that only 5,10,25,50,100 should be available:

Cause
This setting is written to a property value in the XmlData of the CN=configuration,CN=AppDefs,CN=AppConfig... object under the User Application driver, but when editing this setting the Dashboard interface incorrectly writes the values with a comma seperator, breaking the functionality:

Resolution
This issue has been reported to engineering, but as a workaround the XmlData can be edited with the correct spaced values using iManager:

Knowledge Base Article Link

URL Name
KM000008821