Intermediate Certificate Authority (CA) Installation Instructions for Microsoft IIS and Exchange

Solution ID:    SO15687    Updated:    05/06/2016


Step 1 - Download the GeoTrust Intermediate CA file for your SSL product type:

Note: The correct GeoTrust Intermediate CA Certificate must be installed in order for the SSL certificate to work and be fully supported in all web browsers.

Download the GeoTrust Intermediate CA Certificate.

Step 2 - Create a Certificate Snap-in:

  1. From the Web Server, click Start > Run
  2. Type in MMC and press Enter
  3. Click OK
  4. From the Microsoft Management Console (MMC) menu bar, click File (in IIS 6, IIS 7 & IIS 8) or Console (in IIS 5) > Add/Remove Snap-in
  5. Click Add
  6. From the list of snap-ins, Select Certificates
  7. Click Add
  8. Select Computer Account
  9. Click Next
  10. Select Local Computer (the computer this console is running on)
  11. Click Finish
  12. In the snap-in list window, click Close
  13. In the Add/Remove Snap-in Window, click OK


Step 3 - Install the GeoTrust Intermediate CA:

  1. From the left pane, expand the 'Intermediate Certification Authorities' folder
  2. Right-Click on the 'Certificates' folder
  3. Select All Tasks > Import
  4. In the Certificate Import Wizard, click Next
  5. Click Browse and navigate to the Intermediate CA Certificate File
  6. Click Next
  7. Select 'Place all certificates in the following store'
  8. If necessary, browse and select 'Intermediate Certification Authorities'
  9. Click OK
  10. Click Next
  11. Click Finish
  12. Close the MMC

Note: A restart of IIS is recommended. In some cases a reboot of the server may be necessary in order for the changes to take affect. For IIS 7/7.5, a reboot or re-create of the HTTPS bindings is required in order for the changes to fully propagate. Steps for setting up the HTTPS binding can be found here.

Verify the installation of the GeoTrust certificate chain using our SSL Checker:


Geotrust has made efforts to ensure the accuracy and completeness of the information in this document. However, Geotrust makes no warranties of any kind (whether express, implied or statutory) with respect to the information contained herein. Geotrust assumes no liability to any party for any loss or damage (whether direct or indirect) caused by any errors, omissions, or statements of any kind contained in this document.

Further, Geotrust assumes no liability arising from the application or use of the product or service described herein and specifically disclaims any representation that the products or services described herein do not infringe upon any existing or future intellectual property rights. Nothing herein grants the reader any license to make, use, or sell equipment or products constructed in accordance with this document. Finally, all rights and privileges related to any intellectual property right described herein are vested in the patent, trademark, or service mark owner, and no other person may exercise such rights without express permission, authority, or license secured from the patent, trademark, or service mark owner. Geotrust reserves the right to make changes to any information herein without further notice.

Contact Support

Find Answers

Search Tips