Certificate error installing Sitecore Experience Commerce 9.0 u3 using SIF 2.0.0

Question

I'm trying to install Sitecore Experience Commerce 9.0 u3 (already installed Sitecore 9.0 u2) using SIF 2.0.0. I keep getting the following certificate errors:

Creation and startup of the CommerceOps_Sc9 Services web site completed
Creating self-signed certificate for CommerceOps_Sc9
Create new self-signed certificate
Install-SitecoreConfiguration : CertEnroll::CSignerCertificate::Initialize: Cannot find object or property. 0x80092004
(-2146885628 CRYPT_E_NOT_FOUND)
At C:\Program
Files\WindowsPowerShell\Modules\SitecoreInstallFramework\2.0.0\Public\Install-SitecoreConfiguration.ps1:641 char:25
+                         & $entry.Task.Command @paramSet | Out-Default
+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Install-SitecoreConfiguration

[TIME] 00:01:46
Install-SitecoreConfiguration : CertEnroll::CSignerCertificate::Initialize: Cannot find object or property. 0x80092004
(-2146885628 CRYPT_E_NOT_FOUND)
At C:\Sitecore\SitecoreExperienceCommerce903\SIF.Sitecore.Commerce.1.4.7\Deploy-Sitecore-Commerce.ps1:80
char:2
+     Install-SitecoreConfiguration @params
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Install-SitecoreConfiguration

[TIME] 00:02:47
Invoke-ManageCommerceServiceTask : CertEnroll::CSignerCertificate::Initialize: Cannot find object or property.
0x80092004 (-2146885628 CRYPT_E_NOT_FOUND)
At C:\Program
Files\WindowsPowerShell\Modules\SitecoreInstallFramework\2.0.0\Public\Install-SitecoreConfiguration.ps1:641 char:25
+                         & $entry.Task.Command @paramSet | Out-Default
+                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,Invoke-ManageCommerceServiceTask

Answer 1

Export the PFX file of your you root certificate.

Make sure to select Export the private key.

and then Import it again in Personal Certificates

Hopefully it should resolve your issue.