Summary of above link to install Root Certificate Authority using powershell
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Run command below to enable remote management of the Root CA
Enable-NetFirewallRule -DisplayGroup "Remote Service Management"
Create file c:\windows\capolicy.inf with the following contents
[Version] Signature="$Windows NT$" [Certsrv_Server] RenewalKeyLength=4096 RenewalValidityPeriod=Years RenewalValidityPeriodUnits=20 CRLPeriod=Weeks CRLPeriodUnits=26 CRLDeltaPeriod=Days CRLDeltaPeriodUnits=0 LoadDefaultTemplates=0 AlternateSignatureAlgorithm=1 [PolicyStatementExtension] Policies=LegalPolicy [LegalPolicy] OID=1.2.3.4.1455.67.89.5 Notice="Legal Policy Statement" URL=http://www/CertEnroll/cps.asp
Install the certificate authority
Import-Module ServerManager Add-WindowsFeature ADCS-Cert-Authority -IncludeManagementTools Install-AdcsCertificationAuthority -CAType StandaloneRootCA -KeyLength 4096 -HashAlgorithmName SHA256 -ValidityPeriod Years -ValidityPeriodUnits 20 -CACommonName <CA_Server_Name> -CryptoProviderName "RSA#Microsoft Software Key Storage Provider"
The commands below remove all default CRL Distribution points ( CDP )
$crllist = Get-CACrlDistributionPoint; foreach ($crl in $crllist) {Remove-CACrlDistributionPoint $crl.uri -Force};
Add new CDP
Add-CACRLDistributionPoint -Uri C:\Windows\System32\CertSrv\CertEnroll\%3%8.crl -PublishToServer -Force Add-CACRLDistributionPoint -Uri http://www/CertEnroll/%3%8.crl -AddToCertificateCDP -Force
Remove all Authority Information Access
$aialist = Get-CAAuthorityInformationAccess; foreach ($aia in $aialist) {Remove-CAAuthorityInformationAccess $aia.uri -Force};
Configure new AIA
Add-CAAuthorityInformationAccess -AddToCertificateAia -uri http://www/CertEnroll/%1_%3.crt
Run the commands below to configure the Root CA settings
certutil.exe -setreg CA\CRLPeriodUnits 26 certutil.exe -setreg CA\CRLPeriod "Weeks" certutil.exe -setreg CA\CRLDeltaPeriodUnits 0 certutil.exe -setreg CA\CRLDeltaPeriod "Days" certutil.exe -setreg CA\CRLOverlapPeriodUnits 12 certutil.exe -setreg CA\CRLOverlapPeriod "Hours" certutil.exe -setreg CA\ValidityPeriodUnits 20 certutil.exe -setreg CA\ValidityPeriod "Years" certutil.exe -setreg CA\KeySize 4096 certutil.exe -setreg CA\AuditFilter 127
Run the commands below to publish in AD
certutil.exe -setreg ca\DSDomainDN "DC=mycompany,DC=com"
Restart the CertSrv service
Restart-Service certsvc
Publish new CRL's
certutil.exe -CRL