Topic Last Modified: 2006-10-16

The Microsoft® Exchange Server Analyzer Tool queries the Win32_NetworkAdapter Microsoft Windows® Management Instrumentation (WMI) class for all network interface cards (NIC) that are bound to the TCP/IP protocol.

The Exchange Server Analyzer then queries the following registry branch to determine whether the TeamAdapters key exists for those adapters:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}\%NICDEVICEID%\

If the Exchange Server Analyzer determines that the TeamAdapters key exists for one or more NIC on the server that is being analyzed, the Exchange Server Analyzer displays a warning.

This warning indicates that NIC teaming is enabled on the Exchange server that is being analyzed. Although NIC teaming is generally not a mail flow issue, care should be taken to make sure that teaming is configured correctly with the most recent NIC drivers available.

To address this issue:

For more information about NIC teaming, see the following Microsoft Knowledge Base articles: