Enables IIS Preload for the AOSService application pool and website.

Enable-D365IISPreload [[-BaseUrl] <String>] [<CommonParameters>]

Configures IIS to preload the AOSService application, improving startup time after X++ compile.

• Sets Application Pool Start Mode to AlwaysRunning
• Sets Idle Time-out to 0
• Enables Preload on the AOSService website
• Sets doAppInitAfterRestart to true (if Application Initialization is installed)
• Optionally sets the initializationPage to a custom base URL

Enable-D365IISPreload

This will enable IIS Preload and set the initializationPage using the automatically detected base URL.

Enable-D365IISPreload -BaseUrl "https://usnconeboxax1aos.cloud.onebox.dynamics.com"

This will enable IIS Preload and set the initializationPage to https://usnconeboxax1aos.cloud.onebox.dynamics.com/?mi=DefaultDashboard

The base URL to use for the initializationPage setting in IIS Application Initialization. If not provided, the function will attempt to determine the base URL automatically using Get-D365Url. Example: https://usnconeboxax1aos.cloud.onebox.dynamics.com

Type: String
Parameter Sets: (All)
Aliases:

Required: False
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

Author: Florian Hopfner (FH-Inway) Based on Denis Trunin's article "Enable IIS Preload to Speed Up Restart After X++ Compile" (https://www.linkedin.com/pulse/enable-iis-preload-speed-up-restart-after-x-compile-denis-trunin-86j5c) Written with GitHub Copilot GPT-4.1, mostly in agent mode. See commits for prompts.

Get-D365IISPreload

Disable-D365IISPreload