host-to-guest

About this tag
The host-to-guest tag covers discussions about communication and interoperability between Hyper-V host and guest virtual machines, particularly through PowerShell Direct (PSDirect). A recent thread highlights a targeted hotpatch, KB5066360, that fixes a regression in PSDirect when host and guest systems are unevenly patched. This update is a no-restart hotpatch for eligible Windows systems, raising the OS build to 26100.6569. The tag focuses on troubleshooting and resolving issues that arise in host-to-guest connections, especially those related to security and automation in Hyper-V environments.
  1. KB5066360: No-Restart PSDirect Hotpatch Fix for Hyper-V Handshake

    Microsoft has released KB5066360, a targeted hotpatch for Windows PowerShell that corrects an interoperability and security regression affecting PowerShell Direct (PSDirect) when host and guest virtual machines are unevenly patched; the update is a no-restart hotpatch for eligible systems and...