Instant AP not coming up in Aruba Central and throws an error "The SSL certificate error"


Why do we notice connection-timed-out or SSL certificate error for the Instant AP not coming up in Aruba Central?


We notice few Instant APs are not coming up in Aruba Central. 

When we execute the command - show ap debug cloud-server then we will notice the Aruba Central status as connection timed-out.  

(Instant AP)#show ap debug cloud-server

IAP mgmt mode              :athena-mgmt

cloud config recved        :FALSE

autojoin mode              :disable

Device Cert status         :SUCCESS

Aruba Central server

Aruba Central Protocol     :HTTPS

Aruba Central status       :connection-timed-out


In the output, show log ap-debug we can notice the message "The SSL certificate error" as below and the Instant AP doesn't show up in Aruba Central. 

Oct 26 11:59:26  awc[1659]: Message over SSL from, SSL_read() returned 369, errstr=Success, Message is "HTTP/1.1 400 Bad Request^M Server: nginx^M Date: Wed, 26 Oct 2016 09:59:28 GMT^M Content-Type: text/html^M Content-Length: 224^M Connection: close^M ^M <html>^M <head><title>400 The SSL certificate error</title></head>^M <body bgcolor="white">^M <center><h1>400 Bad Request</h1></center>^M <center>The SSL certificate error</center>^M <hr><center>nginx</center>^M </body>^M </

If we configure the Aruba central server as using the below command then it would successfully establish SSL with the Aruba central server.

(Instant AP)#debug-cloud-server 

After IAP reboot, it would lose the Aruba Cloud server and it will contact activate and get and again fail SSL.

The Permanent solution would be to contact Aruba TAC and request to them to change the Aruba Central server as for the affected Instant AP. 

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Revision #:
2 of 2
Last update:
‎03-29-2017 12:29 PM
Updated by:
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