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Applications running slowly when runnin VDI workstation environment

  • 1.  Applications running slowly when runnin VDI workstation environment

    Posted Jun 17, 2021 05:38 PM
    System version:

    • version citrix 19.12 
    • Citrix app layering  20.11 pour la préparation de l'os et des applications.
    • Os du poste VDI sous windows10 version 1909
    • version de l'antivirus sep 14.2 ru2 
    The issue
    When starting some applications they are making time to start (on average 20 seconds) in our VDI environment.
    This issue with the same applications doesn't occur with non-VDI workstations (SEP installed as well).
    When disabling SEP on the vdi workstations, the applications start up instantly.

    Could you please help me !
    Thank you.

    ------------------------------
    Kamilia B.
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  • 2.  RE: Applications running slowly when runnin VDI workstation environment

    Posted Jun 18, 2021 01:36 AM
    Citrix App Layering works with a VHD. 
    When the VDI is started, the VHD is mounted in the Windows 10 client VDI system and SEP tries to scan the remote VHD. 
    For the VDI Windows 10 systems, you should make an exception for the ".VHD extension" and the "ulayer.exe" (file exception).

    I am not sure, but I think that SEP continues to scan the data on the VHD when it is mounted and the VHD container is open, because the data stored in the VHD has other extensions.