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IdentiFi Wireless user authentication to 802.1X RADIUS server never sends back an Accept or Reject - only an Access-Challenge

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TitleIdentiFi Wireless user authentication to 802.1X RADIUS server never sends back an Accept or Reject - only an Access-Challenge
Symptoms
  • IdentiFi Wireless user authentication to 802.1X RADIUS server never sends back an Accept or Reject, only an Access-Challenge
  • Wireless clients are not able to sucessfully authenticate
Environment
  • IdentiFi Wireless
  • Microsoft Windows Server
  • 802.1X RADIUS Server
Cause
This is typically Certificate related issue on the RADIUS server
Resolution
  1.  On Windows Server, click Start / Run
  2.  Type MMC and click OK to bring up MMC console
  3.  Click File menu > Add/Remove Snap-in...
Snap-in
 
  4.  Click and highlight the Certificates option > Click Add button
Cert Add
 
5.  Click Computer account option > Click Next button
Computer account
 
6.  Leave option on Local Computer: option > click Finish Button, then OK on 
local computer
 
  7.  Verify the Certificate has not expired under Folder path Console Root > Certificate (Local Computer) > Personal > Certificates:
cert not expired
  8. Right click the Certificate > Click Open
  9. Once the certificate is open, click the Certificate Path tab and make note of the "Intermediate Cert Path":
Cert path
  10.  Close the Certificate to navigate back to the MMC Console
  11.  Drop down the folder menu path Console Root > Certificates (Local Computer) > Trusted Root Certification Authorities > Certificates
  12.  Verify the Intermediate Cert is installed in this path:
Validate Intermediate

 
Additional notes
If a Certificate is not present on the RADIUS Server, the Role "Certificate Authority" for a Root CA will need to be added to the server
Instruction from Microsoft for Server 2008: https://technet.microsoft.com/en-us/library/cc731183(v=ws.11).aspx

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