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PDF2XL License error: -4303 (SOAP Host can't be resolved)

Handling a -4303 error

Written by Team PDF2XL
Updated over 8 months ago

PDF2XL versions 7 and higher use a Username and Password login process, as opposed to the previous method which required inputting a code.

This is a much simpler process, however like the old method, it does have some limitations.


Your login attempt may return an error stating "License error: -4303 (SOAP Host can't be resolved)":

This error occurs when the activation cannot reach our server.

This may be because you are behind a firewall, your machine has no internet connection or, in rare cases, our server may be down.


What can you do?

If you are behind a firewall
Make sure your firewall allows outgoing connections to the following URLS:

If you have no internet connection
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You will need our custom offline installer and, possibly, an offline license file. Please see here for guidance: https://help.pdf2xl.com/en/articles/5866349-offline-activation-for-pdf2xl

Is our server down?
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If your firewall is not blocking access and you are connected to the internet, it's possible the problem is on our end. Feel free to email [email protected] to inquire if our server is running properly.

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