Configuring certificate autoenrollment:

New-Item -path HKLM:\SOFTWARE\Policies\Microsoft\Cryptography\ -name AutoEnrollment

New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Microsoft\Cryptography\AutoEnrollment\ -Name AEPolicy -Value 7

New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Microsoft\Cryptography\AutoEnrollment\ -Name OfflineExpirationPercent -Value 10

New-ItemProperty -Path HKLM:\SOFTWARE\Policies\Microsoft\Cryptography\AutoEnrollment\ -Name OfflineExpirationStoreNames -Value MY

Binding certificate to web size that already has a binding:

Adjust your cert thumbprint

Import-Module WebAdministration

#check validity

Get-Item Cert:\LocalMachine\My\7FCF3A69C4E62637677953CB61F27D669154C6B5 | fl

#set bindings

dir cert:\localmachine\my\7FCF3A69C4E62637677953CB61F27D669154C6B5 | Set-Item IIS:\SslBindings\0.0.0.0!443