unable to update publicnetworkaccess on azurerm_windows_web_app

[fgarcia-cnb]

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Terraform Version

1.0.7

AzureRM Provider Version

3.98.0

Affected Resource(s)/Data Source(s)

azurerm_windows_web_app

Terraform Configuration Files

resource "azurerm_windows_web_app" "webapp_windows" {
  ...
  public_network_access_enabled = false
}

Debug Output/Panic Output

Error: updating Windows App Service (Subscription: "XXXX" Resource Group Name: "XXX" Site Name: "web-td04z6ixoqpwebapp0"): performing CreateOrUpdate: unexpected status 400 (400 Bad Request) with response: {"Code":"BadRequest","Message":"There was a conflict. SiteConfig.PublicNetworkAccess cannot be modified. Please modify the Site.PublicNetworkAccess property.","Target":null,"Details":[{"Message":"There was a conflict. SiteConfig.PublicNetworkAccess cannot be modified. Please modify the Site.PublicNetworkAccess property."},{"Code":"BadRequest"},{"ErrorEntity":{"ExtendedCode":"01020","MessageTemplate":"There was a conflict. {0}","Parameters":["SiteConfig.PublicNetworkAccess cannot be modified. Please modify the Site.PublicNetworkAccess property."],"Code":"BadRequest","Message":"There was a conflict. SiteConfig.PublicNetworkAccess cannot be modified. Please modify the Site.PublicNetworkAccess property."}}],"Innererror":null}

Expected Behaviour

set publicnetworkaccess explicitly to false, instead of leaving it as null

Actual Behaviour

we are modifying the PublicNetworkAccess field on an existing windows app service. the current value is null. not sure why terraform is seeing the value as "true".

when it tries to explicitly set it to false, we get the error mentioned above.

Steps to Reproduce

No response

Important Factoids

No response

References

No response