EOL - Troubleshooting Exchange Online Mailbox Migration Speeds on April 02, 2019 EOL Hybrid mailbox migration MRS Office 365 paused temporarily because the mailbox is locked performance proxy slow TransientException troubleshooting +
PS - VHDX Files on September 30, 2016 dynamic fixed hyper-v hyperv New-VHD performance poor powershell VHD VHDX virtual machine vm +