Installing Comodo InstantSSL certs

[wavedave]

I'm a noob with Plesk and Comodo so I'm not sure which cert
should be uploaded into the second box ("CA certificate").

I received 3 certs from Comodo:

1.) www_domain_com.crt
2.) AddTrustExternalCARoot.crt
3.) UTNAddTrustServerCA.crt

I uploaded www_domain_com.crt in the first box ("Certificate")
and I *thought* I was supposed to upload UTNAddTrustServerCA.crt
into the second box... but then I got this warning:

"The CA certificate does not sign the certificate"

So then I tried uploading AddTrustExternalCARoot.crt into
the second box but still got the warning. I'm on CentOS 4.4.

I'm hoping someone with more experience can help me through
the process and possibly shed some light on the warning.

Thank you all for your valuable time and contributions.

[edit]

I think I solved the issue by following these instructions:

https://support.comodo.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=288&nav=0,1,35

Basically, *both* UTNAddTrustServerCA.crt AND AddTrustExternalCARoot.crt
must be copied and pasted into the second box with no blank line
between them. When I followed that procedure, I didn't get the
warning message.

 

[faris]

That's correct. You just paste the text from both, one after the other, with no blank line inbetween.

Faris.

 

[wavedave]

Originally posted by faris
That's correct. You just paste the text from both, one after the other, with no blank line inbetween.

Faris.

Thanks Faris

 

[jrlo2]

I had the same problem recently on Plesk v8.1; After contacting Comodo's support department, they seemed to know all about the situation.

They actually recommended appending and uploading FOUR certificates, not just the three originally provided. I've written more about the problem and my experiences here.

After following the directions involving the four certificates appended together, the message went away in Plesk, and the certificate worked fine for that website.

Hope this helps.