In this post, we’ll look at the Wndows Update Error Message “0x80244026 – WU_E_PT_REGISTRATION_NOT_SUPPORTED” that is usually displayed when things go wrong during the update process.
Note that this Windows Update error is application for both Windows 10 and Windows 11.
Error Message
0x80244026 – WU_E_PT_REGISTRATION_NOT_SUPPORTED
Windows Update Error Details
Operation failed because Windows Update Agent does not support registration with a non-WSUS server.