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license_error.HttpsErr_InvalidResponseHeader

Discussion in '3CX Phone System - General' started by loeffflair, Jan 26, 2017.

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  1. loeffflair

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    Hello all

    on initial setup i get the following error when i try to finish the setup on the license info screen.
    3cx license_error.HttpsErr_InvalidResponseHeader

    any recommandations?


    Thanks alot

    cheers
     
  2. loeffflair

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    hat sich erledigt, falsches Gateway / Proxy verwendet:(
     
  3. YiannisH_3CX

    YiannisH_3CX Support Team
    Staff Member 3CX Support

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    given you are on windows please try the following and let us know of it worked

    Change your DNS server to 8.8.8.8 on the network card of the PBX
    Open a CMD and and perform an ipconfig /flushdns
    Restart the services including the Nginx service from services.msc
    Try launching the config wizard again
     
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