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IT Specialists: Instructions for Installing Digital Certificates
This information will help you to support users of digital certificates in your agency. PLEASE READ ALL INSTRUCTIONS BEFORE BEGINNING. You must complete all four steps for successful installation.
  1. Check user's computer settings
  2. Go to Digital Certificate Installation Link
  3. Verify that digital certificate is properly installed
  4. Customize installation to meet user requirements
1. CHECK USER'S COMPUTER SETTINGS
    Browser Supported By CDC
  • Internet Explorer is 6.0 or higher
    IMPORTANT NOTE: Firefox users should install the digital certificate first in Internet Explorer and then import it into their preferred browser.
    Browser Settings
  • Your browser must be configured to use TLS 1.0 encryption.
    Pop-Up Blockers
  • Disable all pop-up blockers, including the pop-option for the Google and Yahoo toolbars.
    IMPORTANT NOTE: Users may have more than one pop-up blocker enabled.
    Cipher Strength
  • 128 bit
2. GO TO DIGITAL CERTIFICATE INSTALLATION LINK
  • In the e-mail message, "Action Required - Your CDC Digital Certificate is Ready to Install," go to the Digital Certificate Installation Link.
  • Installation requires users to enter their Challenge Phrase and review their contact information.
  • The Challenge Phrase is the one created when the user applied for the digital certificate. Users who cannot remember their Challenge Phrase must apply again for a NEW digital certificate.
  • Internet Explorer displays the Download Digital ID page and warnings regarding how to proceed.
  • Click Download.
  • Internet Explorer displays a message regarding the certificate download.
  • When finished downloading the certificate, Internet Explorer displays the Digital ID Installation Complete page.
  • This page displays a Download P12 File button.
  • Click Download P12 File.
  • Internet Explorer displays an Downloading dialog box with options regarding how to handle the file.
  • Select Save it to disk and click OK.
  • Internet Explorer displays the Enter name of file to save to dialog box.
  • Select Desktop from the Save in list and click Save.
  • Internet Explorer saves the file to the desktop.
3. IMPORT DIGITAL CERTIFICATE IN INTERNET EXPLORER
  • Open Internet Explorer, click the Tools menu and select Internet Options.
  • Internet Explorer displays the Internet Options dialog box.
  • Click the Content tab.
  • Click the Certificates button.
  • Internet Explorer displays the Certificates dialog box.
  • Click the Import button.
  • Internet Explorer displays the Certificate Import Wizard.
  • Click Next.
  • The Certificate Import Wizard displays the File to Import screen.
  • Click Browse, navigate to the location of the digital certificate in the Open dialog box (desktop or location where you downloaded the p12 file), and double-click the file name of the certificate.
  • Click Next.
  • The Certificate Import Wizard displays the Password screen.
  • Enter the challenge phrase created when the user applied for the digital certificate in the Password box.
  • Clear the Enable strong private key protection check box.Note: Select Enable strong private key protection if you want to protect digital certificate use with another layer of protection. If this check box is selected and the private key security level is set to High, you are prompted for a password each time this certificate is initially used in an SDN session.
  • Select the Mark the private key as exportable check box. CAUTION: Mark the private key as exportable must be selected if you want to export the certificate and its private key from this computer in the future.
  • Click Next, the Certificate Import Wizard displays the Certificate Store screen.
  • Select Automatically select the certificate store based on the type of certificate and then click Next. The Certificate Import Wizard displays the Completing the Certificate Import Wizard screen and the specified settings.
  • Click Finish.
  • Click OK to close the message.
  • Internet Explorer displays the imported certificate in the list of certificates on the Personal tab of the Certificates dialog box.
  • Click Close to close the Certificates dialog box.
  • Click OK to close the Internet Options dialog box.
  • Close Internet Explorer.
4. VERIFY THAT THE DIGITAL CERTIFICATE IS PROPERLY INSTALLED
  • Check that the user's digital certificate has been installed properly by having the user log on to https://sdn.cdc.gov and clicking the name of the application to which they requested access. The application link is located in the top left corner of the page.
5. CUSTOMIZE INSTALLATION TO MEET USER REQUIREMENTS
The digital certificate must be installed on all computers from which the user will access CDC secure applications. It is also necessary to keep a backup copy of the digital certificate in a safe place in case of computer changes. After installing a user's digital certificate you should:
CDC SDN SUPPORT Contact us if you have questions
    e-mail:        phintech@cdc.gov
    telephone: 1-800-532-9929 and select option 1

   
Questions? Go to the Online Help or Contact SDN Support
This page last reviewed June 4, 2013