This is really important to have the possibility to create within high available virtual machines (a.e. Webserver Farm) a
network load balancing to have a high available service at network level. This feature is included at any Windows Server edition.
If you want to create a NLB for testing or productions purposes you should have a look into the KB953828 article ->
This hotfix is related to the STOP error :
STOP: 0x000000E1 (parameter1, parameter2, parameter3, parameter4)