Replacing an expired root certificate

Before a network device can access the NES Administrator Consoleand the Nymi Band Application, a valid root CA certificate must exist in the Trusted Root Certification Authorities store.

While logged into the user terminal as a local administrator, use the certlm application to import the root CA certificate into the Trusted Root Certification Authorities store. For example, on Windows 10, perform the following steps:
  1. In Control Panel, select Manage Computer Certificates.
  2. In the certlm window, right-click Trusted Root Certification Authorities, and then select All Tasks > Import.
    The following figure shows the certlm window.
    Figure 1. certlm application on Windows 10
  3. On the Welcome to the Certificate Import Wizard screen, click Next.
    The following figure shows the Welcome to the Certificate Import Wizard screen.
    Figure 2. Welcome to the Certificate Import Wizard screen
  4. On the File to Import screen, click Browse, navigate to the folder that contains the root certificate file, select the file, and then click Open.
  5. On the File to Import screen, click Next.
    The following figure shows the File to Import screen.
    Figure 3. File to Import screen
  6. On the Certificate Store screen, accept the default value Place all certificates in the following store with the value Trusted Root Certification Authorities, and then click Next.
  7. On the Completing the Certificate Import Wizard screen, click Finish.
You must replace the certificate on the NES host and all network devices that communicate with the NES host.

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