Windows 10 login freezes after upgrading to Parallels Desktop 12.2.0

Discussion in 'Installation and Configuration of Parallels Desktop' started by AndreaB4, Apr 10, 2017.

  1. AndreaB4

    AndreaB4 Bit poster

    Messages:
    2
    Hello to everyone,
    I just updated my Parallels Desktop to the latest version (12.2.0).
    After starting Windows it asked me for Parallels Tools to be installed: ok.. I installed them and rebooted.
    After rebooting my guest OS Windows 10 asks me for password login (ok) and then freezes on logon.
    Anyone else with the same problem?
    Any suggestions for solving it?
    Thanks very much!!!
     
    AndreaB4, Apr 10, 2017
    #1
  2. PaulChristopher@Parallels

    PaulChristopher@Parallels Product Expert Staff Member

    Messages:
    3,113
    Hi @AndreaB4, please go to Actions > Configure > Options > Optimization > disable Free Space: Real-time Virtual Disk Optimization.

    If the "Real-time Virtual Disk Optimization" option is enabled, it may slow disk performance up to 30% (at the moment of compaction, not constantly). If the host has an SSD disk, the feature will be enabled by default for all virtual machines but will work only if it is compatible with the guest OS.

    Open virtual machine configuration > switch to Options tab > Optimization tab > Set performance to Faster virtual machine; check Enable adaptive hypervisor and Tune Windows for speed. If you're not running on battery power, you can also turn on the Better performance option.
     
    PaulChristopher@Parallels, Apr 10, 2017
    #2

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