Jan 6, 2025

Introduction

Intermediate certificates help complete the "Chain of Trust" from an end-entity certificate back to a root certificate. Intermediate certificates must be present ahead of time prior to setting bindings in IIS or applying services in Exchange.  
 

Instructions

1. Go to Start > Run > mmc. Press Enter:
   
   
2. In the MMC, go to File > Add / Remove Snap-In...
   
   
3. Choose the Certificates snap-in. Click Add.
   
   
4. Choose Computer Account. Click Next.
   
   
5. Choose Local Computer. Click Finish.
   
   
6. Click OK to exit the snap-in window.
   
   
7. In the MMC window, expand the following sections: Certificates (Local Computer) > Intermediate Certification Authorities > Certificates.
8. Right-click the Certificates folder and go to All Tasks > Import.
   
   
9. Choose Local Machine. Click Next.
   
   
10. Click Browse on the next window:
    
    
11. Choose the intermediate that you wish to import and click Open.
    
    
12. Click Next on the Certificate Import Wizard:​​​​​​​
    
    
13. Make sure the Certificate Store is specified as Intermediate Certification Authorities. Click Next.​​​​​​​
    
    
14. Click Finish.
    
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15. Click OK when the certificate imports successfully. ​​​​​​​
    
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