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Chained Certificate and WLC 4400

I have been trying to install a certificate on my WLC 4400 but keep having problems.

I have a WLC 4400 Software Version  I read the documenation and did as reccomended.  I created my CSR using OpenSSL, uploaded to CA (InstantSSL/Comodo), converted my chained certificates into a single PEM using OpenSSL and uploaded to my WLC.   The problem is that I get an "Upload Failed" whenever I try to upload this chained certificate PEM.  I don't get an error if I just the certificate for my device but this still gives an error that the certificate is un-trusted.

I fear my problem might be that there are too many intermediate certificates.  I read somewhere that there can only be 2, is this correct?

My chained certificate looks like this:

  • Root CA Certificate - AddTrustExternalCARoot.crt
  • Intermediate CA Certificate - UTNAddTrustSGCCA.crt
  • Intermediate CA Certificate - ComodoUTNSGCCA.crt
  • Intermediate CA Certificate - EssentialSSLCA_2.crt
  • Your Free SSL Certificate - wifi_mydomain.crt

If this is indeed the problem, any reccomendations for a CA that has fewer intermediate certificates?


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Community Member

Re: Chained Certificate and WLC 4400

I know this question is almost 4 months old, you can get one Intermediate CA Certificate from COMODO.

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