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SSL Certificates incorrect for Plesk Activation Servers

Remco

New Pleskian
TITLE:
SSL Certificates incorrect for Plesk Activation Servers
PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE:
Plesk Onyx 17.5.3
PROBLEM DESCRIPTION:
Entering a new activation key throws an error.

Error: cURL cannot communicate with license server https://id-00.kaid.plesk.com:5224/ (): Couldn't connect to server(7)
cURL cannot communicate with license server https://id-00.kaid.plesk.com:5224/ (): Couldn't resolve host name(6)

When executing curl by hand or opening the url in the browser will show that the SSL certificate doesn't belong to the *.plesk.com servers.​
STEPS TO REPRODUCE:
Tools & Settings / Plesk / License Management / Install Key​
ACTUAL RESULT:
Error: cURL cannot communicate with license server https://id-00.kaid.plesk.com:5224/ (): Couldn't connect to server(7)
cURL cannot communicate with license server https://id-00.kaid.plesk.com:5224/ (): Couldn't resolve host name(6)

Results for manual curl:

curl https://id-00.kaid.plesk.com:5224/
curl: (51) SSL: no alternative certificate subject name matches target host name 'id-00.kaid.plesk.com'​
EXPECTED RESULT:
Successful activation​
ANY ADDITIONAL INFORMATION:
YOUR EXPECTATIONS FROM PLESK SERVICE TEAM:
Confirm bug
 
Issue was solved by UFHH01's suggestion. It's seemed it was a firewall somewhere in the network blocking the port :(

Apologies for troubling you, this issue can be marked as solved.
 
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