1.Download Latest version of Linux Integration Service Components
http://www.microsoft.com/en-us/download/details.aspx?id=29991
2. Installation of Development Tools
After connected to the Linux root login. Apply following commands.
yum groupinstall "Development Tools"
3. Mount ISO files to the Virtual Machine
You need to add the ISO files into the Virtual Machine through the Hyper-V Manager. Then apply following commands.
mkdir -p /mnt/cdrom
mount /dev/cdrom /mnt/cdrom
cp -rp /mnt/cdrom /opt/linux_ic
umount /mnt/cdrom
Then create a new initrd image with the neccessary drivers. Apply following commands.
cd /opt/linux_ic
./setup.pl drivers
When you get the Complete action then reboot the Virtual machine with "reboot" command.
When you installed a Network Adapter you can verify with ifconfig -a and check if there is seth0.
seth0 is not correct network adapter driver.
good luck.