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Amazon EC2, Elastic IP, NAT and license problem

Discussion in 'General Discussion' started by Petar, Jan 13, 2018.

  1. Petar

    Petar Member

    Apr 5, 2017
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    I'm build Centos EC2 instance on AWS.
    On clean installation I was installed CPanel. I used few days of trial period before I bought license.
    Right before I bought license I was change IP address of EC2 instance on Elastic permanent IP.

    License was bought for that permanent IP but for hostname was entered amazon private dns.

    One day after that I was change hostname with some my domain on example:
    Everything works fine few days when I decide to increase instance resource and build new instance from this old.

    I was increased resource and point same Elastic IP for which I bought license but I can see only message for every domain on WHM that IP is misconfigured or then DNS problem...
    I know that WHM on EC2 use NAT, and NAT is enabled from start by default on WHM.

    When I back again on my "old" first instance which I created, everything worked.

    One think present here which maybe has problem and I need confirmation for that. In moment when I was built and start that new larger instance, old instance was worked too but on changed, different IP address.

    Could be a problem in that ?
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

    Apr 11, 2011
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    Could you open a support ticket using the link in my signature so we can take a closer look at the system?

    Thank you.
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