Generate Self Signed Certificates

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

Adding Services to Certificate

Get Foot Print:

Get-ExchangeCertificate | FL

Add Service to Servificate:

Enable-ExchangeCertificate -thumbprint "BBB2306EF35037B037EF6A110DFBB68CFEAD27B7" -services IIS