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Can't add more than three custom domains

Adam Davis 40 Reputation points
2025-06-04T06:52:58.26+00:00

I am trying to setup a large quantity of custom domains to be returned to my site and I cannot create more than three. Any ideas on why? A while back I was allowed additional custom domains but now it seems it was either removed or I cannot add anymore. Any ideas?

Azure Web Application Firewall
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  1. TP 124.7K Reputation points Volunteer Moderator
    2025-06-04T07:15:46.6733333+00:00

    Hi Adam,

    On Hosting Plan blade, do you have Standard selected? This should allow 5 custom domains + Auto-generated.

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    Please click Accept Answer and upvote if the above was helpful.

    Thanks.

    -TP

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  1. G Sree Vidya 2,270 Reputation points Microsoft External Staff Moderator
    2025-06-05T07:07:21.02+00:00

    Hello Adam Davis

    I wanted to follow up and check if you had the opportunity to review the information provided by TP in our previous post.

    Additionally, you can check below documentations for domain limits based on services.

    Refer: https://learn.microsoft.com/en-us/azure/azure-resource-manager/management/azure-subscription-service-limits#app-service-limits

    The reason you're currently limited to only three custom domains likely depends on the hosting plan or service tier you're using in Azure.

    • Free and Shared tiers: Limited to 1–3 custom domains.
    • Basic and Standard tiers: Allow up to 5 custom domains.
    • Premium and Isolated tiers: Support many more.

    Kindly let us know if the above helps or you need further assistance on this issue.

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