Converting certificate from PFX to PEM

openssl pkcs12 -export -in abc.crt -inkey abc.key -out abc.pfx

Windows Firewall keeps turning on after adding to domain

After adding servers to Windows server 2008 domain controller the firewall keeps turning on afert each reboot.

This is because the domain is configured in this way.

To turn this off, on the domain controller, go to:

"Group Policy Management" ->
forest ->
Domains ->
relevant domain ->
Group Policy Object ->
Default Domain Policy.

Click right mouse button on the above and edit.

This will open up the Group Policy Management Editor.

expand:
Computer configuration ->
Policies ->
Administrative templates ->
Network ->
Network Connections ->
Windows Firewall ->
Domain Profile ->
Windows Firewall: Protect all network connections

Set the above to "Disabled"