The vendor has published 1 unique mention(s) for this bug: 1. After you update the OS layer with May month Windows updates and publish to Provisioning Services, targets sometimes become unresponsive soon after sign-in. Affected machines then become inaccessible through RDP or console. As a workaround, republish with the previous OS layer. Latest urls for this bug: 1. https://docs.citrix.com/us/en/provisioning/2607-ltsr/whats-new/known-issues.html