topic Invoke-NaSsh -PrivateKeyFile - Invalide Private Key File in Microsoft Virtualization Discussions

Invoke-NaSsh -PrivateKeyFile - Invalide Private Key File

mschloss — Thu, 05 Jun 2025 06:04:12 GMT

Hi all,

I try to get KeyAuthentication with Invoke-NaSsh to work. I get following error Message:

Invoke-NaSsh : Invalid private key file.

When I use plink.exe with this key I´m trying everything work fine.

In which format the ppk FIle is expected?

Can anyone send me out a valid public / private Key Pair, that I can check what is missing in my file.

TIA

Michael

Re: Invoke-NaSsh -PrivateKeyFile - Invalide Private Key File

beam — Thu, 25 Apr 2013 19:19:44 GMT

The private key file should be in the OpenSSH format. If you are using PuTTYgen to create the .ppk, go to Conversions -> Export OpenSSH key to export the private key in the correct format.

-Steven

Re: Invoke-NaSsh -PrivateKeyFile - Invalide Private Key File

mschloss — Fri, 26 Apr 2013 08:08:34 GMT

Thanks - that was the trick, how to create the key with putty in a windows environment.

-Michael