is that true that ""limitations in Microsoft's operating systems not supporting the Virtual Bus Device architecture of the NetXtreme II 1 Gigabit adapter under certain circumstances"" i have come to know the above microsoft limitation while conversation in the below link, please read it https://www-secure.symantec.com/connect/forums/error-bpbrmpid41708-bmrerr-received-bmr-error-driver-broadcom-bcm5708s-netxtreme-ii-gige-not-#comment-3589331 Thanks Zahid HaseebHaseeb

Hi,Netxtreme belongs to Broadcom and there is a explanation given in the broadcom website about the Virtual bus device architecture for Netxtreme not being supported and they have introduced seperate drivers to address the above limitation.http://www.broadcom.com/support/ethernet_nic/netxtremeii.php