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PowerShellNerd's avatar
PowerShellNerd
Level 2
5 years ago

"The custom form could not be opened" Outlook issue

Hi,

we use Outlook 2016, EV Add-In 12.1.0.1424, W10 1909 and get errors by selecting archived items in Outlook.
The issue is described in this article: https://www.veritas.com/support/en_US/article.100009846
We tested all suggested solutions and found out our AV scanner Trend Micro Apex One (14.0.8) it's the cause. The Realtime Scan feature cause the issue. If we disable it, it works fine.

So we've done some troubleshooting. We've added some file paths to the exclusion list but nothing works. No problems if we disable the RealTime Scan feature or add outlook.exe to the exclusion list.

Anyone have an idea what we can do to solve this issue?
Thanks.

Best regards
Mark

  • PowerShellNerd's avatar
    PowerShellNerd
    5 years ago

    Hi @ all

    we've tried this exclusion pattern:
    C:\Users\*\AppData\Local\Temp\*.tmp

    It works perfectly now!
    Thanks @ all for your assistance. Have a nice day. :)

    Best regards
    Mark

  • PowerShellNerd's avatar
    PowerShellNerd
    Level 2
    5 years ago

    File paths we've added to the exclusion list:

    C:\Users\*\AppData\Local\Microsoft\FORMS
    C:\Users\*\AppData\Local\Temp
    C:\Program Files (x86)\Enterprise Vault

    Exist some other locations we doesn't know? There must be a list from VERITAS which file paths must be excluded!
    Thanks.

    Best regards
    Mark

      • PowerShellNerd's avatar
        PowerShellNerd
        Level 2
        5 years ago

        Hello Gertjan,

        thank you for your answer but I've found this list some days before. This list is a list for EV servers but not for clients... You have some other links for me? Thanks.

        Best regards
        Mark