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I am getting the below error while installing Sitecore 10. Can someone please help me to remove this so that I can reinstall a fresh instance?

Thanks!

log:

[ IdentityServerCertificates_CreateR... : NewRootCertificate ------------------]

Could not find Cert: DO_NOT_TRUST_SitecoreRootCert in Cert:\LocalMachine\Root

CertEnroll::CX509PrivateKey::Create: Object already exists. 0x8009000f (-2146893809 NTE_EXISTS)

[TIME] 00:00:12
CertEnroll::CX509PrivateKey::Create: Object already exists. 0x8009000f (-2146893809 NTE_EXISTS)

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  • Have you checked the certificate store and removed all the old ones created by SIF?
    – Michael West
    Commented Jun 25, 2022 at 13:29
  • @MichaelWest , Yes I have deleted all the old ones from Personal and Trusted Root Certification folder. So there is no certificate related to Sitecore now.
    – Rashmi Ranjan
    Commented Jun 25, 2022 at 17:23
  • @MichaelWest Is there any other location from where we need to delete as well ?
    – Rashmi Ranjan
    Commented Jun 25, 2022 at 17:32
  • Try to also remove from C:\certificates folder.
    – Kamil C
    Commented Jun 25, 2022 at 18:47
  • @Kamil no change, getting same error Object already exists
    – Rashmi Ranjan
    Commented Jun 26, 2022 at 3:49

1 Answer 1

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The issue was resolved by doing the following steps:

  1. Created self-signed root certificate with the below PowerShell script;

    New-SelfSignedCertificate -CertStoreLocation cert:\LocalMachine\My -Subject "DO_NOT_TRUST_SitecoreRootCert" -FriendlyName "DO_NOT_TRUST_SitecoreRootCert" -KeyExportPolicy Exportable -KeyProtection None -NotAfter (Get-Date).AddYears(10)

  2. Copied this certificate from Personal to Trusted Root Certification Authorities inside local machine certificate store

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