Skip to content

Frequently Asked Questions

J. Passing edited this page Dec 2, 2020 · 9 revisions

Installation

Do I need to install anything on the VM instance before I can connect?

IAP Desktop does not require any special configuration on VM instances other than that Remote Desktop is enabled. All VM instances created using the Google public images have Remote Desktop enabled by default.

Which IAM roles do I need to use IAP Desktop?

To use IAP Desktop, you need the Project Owner role or a combination of the following roles:

  • Compute Instance Admin or Compute Admin to list and access VM instances
  • IAP-secured Tunnel User to use IAP TCP forwarding

To generate Windows credentials, you also need:

  • Service Account User

Roles can be grated on a per-project or per-VM instance level.

Why do I need admin rights to install IAP Desktop on Windows Server?

On Windows Server, the default group policy is configured to disallow per-user installations of MSI packages.

To install IAP Desktop on Windows Server, open an elevated command prompt, enter the path to the MSI file, and hit Enter.

Usage

Why am I missing some instances in Project Explorer?

Project Explorer only shows instances that are known to run Windows. Filtering is performed based on license and guest OS features metadata of the VM instance's disks.

How can I reset the layout of my tool windows?

To reset the location of tool windows, do the following:

  • Close IAP Desktop
  • Open a command prompt and run reg delete HKCU\Software\Google\IapDesktop\1.0\ToolWindows

Can I use IAP Desktop to access machines outside Google Cloud?

IAP Desktop heavily relies on Google Cloud APIs. Therefore, it is not possible to use IAP Desktop to access machines that are deployed elsewhere.

Remote Desktop Services

Do I need RDS CALs to use IAP Desktop?

Typically, you do not need CALs if you use IAP Desktop for server administration only. If you use IAP Desktop for other purposes, or if need to support more than two concurrent connections, you might need to purchase RDS CALs.

Does IAP Desktop support CALs issued by an RDS license server?

Yes.

Can I use IAP Desktop with Remote Desktop Gateway?

Currently not, but this feature might be added soon.

Clone this wiki locally