Unable to enforce uniqueness for fields which require it in cmdb_ci extended tables - Known Error

Unable to enforce uniqueness for fields which require it in cmdb_ci extended tables Description Administrators are unable to set Unique flag for fields in cmdb_ci extended tables like Asset and Server tables.

Steps to Reproduce

1 - Login as administrator. 2 - Open any configuration item form for example from Asset or Server CMDB tables. 3 - Right click on a field in and configure the dictionary. 4 - Configure the form layout and add the Unique field. Observe the Unique field is read-only and can not be activated. Workaround The Unique constraint is not available on cmdb_ci extended tables in the current releases. This has been identified as a possible future product enhancement.