To make the custom fields added in the add organization wizard as optional:
Log in to the CP server as the domain administrator.
Click Start > Run, type regedit, then click OK. The Registry Editor window is displayed.
In the Registry Editor window, expand HKEY_LOCAL_MACHINE > SOFTWARE > Ensim, then click Ensim Unify.
Right-click Ensim Unify, click New, then click String Value.
Rename the String Value as CustomFieldsMandatory.
Right-click CustomFieldsMandatory, then click Modify.
In the Edit String window, type 0 in the Value data text box to make the custom fields optional.
To make the custom fields mandatory, you need to specify 1 in the Value data text box in the above step.
Click OK in the Edit String window, then close the Registry Editor window.
If you have more than one CP server, repeat the above procedure on each CP server.