MIB interface information that is collected by the IP Helper API is blank or incomplete on a computer that is running a non-English version of Windows Server 2008 or Windows Vista
You have a computer that is running a non-English version of Windows Server 2008 or Windows Vista. A Simple Network Management Protocol (SNMP) application uses the IP Helper API to collect Management Information Base (MIB) interface information. However, the information is not displayed correctly. Instead, the information is blank or incomplete.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB954664.