Remediation

From Azure Portal

1. Go to Application gateways.
2. Select the name of an application gateway.
3. Under Settings, click Configuration.
4. Under HTTP/2, click Enabled.
5. Click Save.
6. Repeat steps 1-5 for each application gateway requiring remediation.

From Azure CLI

For each application gateway requiring remediation, run the following command to enable HTTP/2:

az network application-gateway update \
    --resource-group {{resource-group-name}} \
    --name {{application-gateway-name}} \
    --http2 Enabled

From PowerShell

Run the following command to get the application gateway in a resource group with a given name:

$gateway = Get-AzApplicationGateway `
    -ResourceGroupName {{resource-group-name}} `
    -Name {{application-gateway-name}}

Run the following command to enable HTTP/2:

$gateway.EnableHttp2 = $true

Run the following command to apply the update:

Set-AzApplicationGateway -ApplicationGateway $gateway

Repeat for each application gateway requiring remediation.