If the extension doesn't have access to these endpoints, the scripts might run successfully but not return the results. To function correctly, Run Command requires connectivity (port 443) to Azure public IP addresses. This can let the extension in a Transitioning state, leading to a timeout. It isn't recommended to run a script that will cause a stop or update of the VM Agent.Outbound connectivity from the VM is required to return the results of the script.The maximum time a script can run is 90 minutes.Scripts that prompt for information (interactive mode) aren't supported.The minimum time to run a script is about 20 seconds.Output is limited to the last 4,096 bytes.The following restrictions apply when you're using Run Command: Prerequisites Windows OS’ Supported Windows OS It's one of the only ways to troubleshoot and remediate a virtual machine that doesn't have the RDP or SSH port open because of improper network or administrative user configuration. This capability is useful in all scenarios where you want to run a script within a virtual machine. You use Run Command through the Azure portal, REST API, or PowerShell for Windows VMs. Run Command can run scripts on your virtual machines remotely by using the VM agent. ![]() You can access your virtual machines in multiple ways. They can help you to quickly diagnose and remediate VM access and network issues and get the VM back to a good state. You can use these scripts for general machine or application management. ![]() The Run Command feature uses the virtual machine (VM) agent to run PowerShell scripts within an Azure Windows VM.
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