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Installing the trusted root certificate

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Applies to: Lync Server 2013 | Skype for Business 2015

Installing a trusted root certificate is necessary only if you are notified that the certificate of authority is not trusted on any machine. This can occur when you use a private or custom certificate server instead of acquiring certificates from an established public certificate of authority.

Installing a trusted root certificate

  1. On the machine that requires a certificate, in your web browser, navigate to your local certification server. This should be the same certificate of authority used for generating the server and, optionally, client certificates.

  2. Choose Download a CA certificate, certificate chain, or CRL link, as needed.

  3. Select the appropriate certificate of authority from the list and choose the Base 64 Encoding method.

  4. Choose the Download CA certificate link and then choose Open option when prompted to open or save the certificate.

  5. When the certificate window opens, choose Install Certificate…. The Certificate Import wizard appears.

  6. In the wizard, choose Next. Then, when you are prompted for the Certificate Store, choose Place all certificates in the following store. Select the Trusted Root Certification Authorities store.

  7. Complete the remaining steps of the wizard and click Finish.

Upon completing the wizard, you next want to add the certificate snap-ins using the Microsoft Management Console (MMC).

Adding certificate snap-ins

  1. Launch MMC (mmc.exe).

  2. Choose File > Add/Remove Snap-ins.

  3. Choose Certificates, then choose Add.

  4. Choose My user account.

  5. Choose Add again and this time select Computer Account.

  6. Move the new certificate from the Certificates-Current User > Trusted Root Certification Authorities into Certificates (Local Computer) > Trusted Root Certification Authorities.

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