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Titre
HTTP ERROR 403.503 – Forbidden -
Description
When attempting to log on to the Admin site the following error is reported
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Cause
In IIS there is a restriction set for either an IP Address or a Domain
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Résolution
- Open IIS
- Navigate to the PMAdmin > IIS > IP Address & Domain Restrictions
- Check the entries listed for any Allow or Deny restrictions
- Even if the "Mode" may state "Allow" the entry may still be configured for "Deny" so click on "Edit Feature Settings" to see what the active access entry is and change as required.
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Informations supplémentaires
For further details on this IIS feature please refer to https://docs.microsoft.com/en-us/iis/configuration/system.webserver/security/ipsecurity/