VPN error – “The computer must be trusted for delegation and the current user account must be configured to allow delegation”

Date : September 1, 2021

Issue

Whilst attempting to connect to an RRAS server, Windows displays the following error message:

Cannot connect to [VPN profile]

The requested operation cannot be completed. The computer must be trusted for delegation and the current user account must be configured to allow delegation

Solution

On the VPN client, browse to the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Protect\Providers\df9d8cd0-1501-11d1-8c7a-00c04fc297eb

then create/update the following DWORD entry:

ProtectionPolicy=1

Alternatively, download and run the following .reg file to create/update the registry entry:

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