#List the existing SSL certificates
Get-ExchangeCertificate | FL

#NETBIOS name of Exchange:		EX-2k7
#Internal FQDN (AD name):		EX-2k7.NET.local
#External FQDN (Public name):		webmail.netometer.com
#Autodiscover name:			autodiscover.netometer.com
#SubjectName:				cn=webmail.netometer.com

#The command for generating the new Self-Signed SSL cert
#(uses the names listed above):


New-ExchangeCertificate -FriendlyName "SelfSigned Cert" -SubjectName "cn=webmail.netometer.com" -DomainName EX-2k7,EX-2k7.NET.local,webmail.netometer.com,autodiscover.netometer.com -PrivateKeyExportable $True