If you have multiple network adapters in a server and you want to make sure that the network load is balanced across the available nics, you can use the following Windows NT / Windows 2000 / Windows XP registry hack. This will insure that opened sessions are balanced between the adapters.

 

Hive: HKEY_LOCAL_MACHINE
Key: SYSTEM\CurrentControlSet\Services\NetBT\Parameters
Name: RandomAdapter
Type: REG_DWORD
Value: 1 enable