Home > Outlook 2010 > how to resolve EV outlook add-in Error MSG: This version of the enterprise vault Outlook add-in is not compatible with the installed version of microsoft outlook

how to resolve EV outlook add-in Error MSG: This version of the enterprise vault Outlook add-in is not compatible with the installed version of microsoft outlook

If u encounter with this error msg : ”

this version of the Enterprise Vault Outlook add-in is not compatible with the installed version of microsoft outlook.

contact your help Desk for details of how to resolve this issue.”

Do this folowing steps:

1)close outlook
2)open “regedit” (start->run->”regedit”->ok)

3) HKEY_CLASSES_ROOT\Outlook.Application

u should have 2 keys under:

if one of the keys not exist.
go to another computer that have no problem with EV outlook add in . and “Export” the missing key.
now, open it in your computer.

  1. mekon
    18/07/2011 at 11:10

    I was missing both keys and after exporting from a working machine this worked for me.

  2. MaddMaxx
    22/09/2011 at 15:04

    This trick works like a charm … thanx

  3. Frustrated with no EV
    10/10/2011 at 17:04

    Didn’t export but I just created the keys under Outlook.Application and now have access to EV. Didn’t find this at all on Symantec’s website.

  4. Uckons
    19/10/2011 at 10:35

    Great Thanks Working properly

  5. 19/10/2011 at 11:13

    You welcome :))

  6. rblaszczyk@faegre.com
    20/10/2011 at 23:06

    This did not work for me. The keys and values already exist but I still receive the error each time I open Outlook. Also, even though I check the box to not show the message again it continually comes up when I launch Outlook. Any other suggestions to resolve this?

    • EJ
      09/04/2012 at 23:08

      Same thing for me, both keys are there and I check the option everyday to no avail. I’m on MS Office Standard 2010. Version 14.0.6112.500 (32-bit).

  7. 22/11/2011 at 09:43

    hi rblaszczyk, which version of Office do you have?

  8. Dan
    26/01/2012 at 20:14

    This worked for me.

    I have Outlook 2010. I added:


    I want to note this all worked until I installed frontpage 2003.

    Thanks for this tip !


  9. Ronny
    11/04/2012 at 10:38

    Worked for me to. Two user installed MS FrontPage 2003 on Windows 7 Office 2010 macines and the error above error accurd.
    The sollution worked for this scenario also.
    Thank you

  10. DB
    17/07/2012 at 17:10

    Fantastic !!! Such an easy fix for something that has been driving me crazy

  11. 05/09/2012 at 14:52

    Adding the key below did the trick for me. I am running Outlook over Citrix XenApp 6.5 on Win2k8 R2 SP1


    Thank you

  12. 24/06/2013 at 14:57

    This didn’t work for me. Both keys are already in place and configured correctly. My agency uses Outlook 2007. I have Outlook 2010. NOW what do I do????!

  13. 24/06/2013 at 17:00

    I found the solution to my problem. I had to find and run the Symantec Enterprise Vault Outlook Add-in User Extension Version 10.0.2. I had to get the setup file from my network administrator, but I found some places online that had the file.

    • Erick
      25/06/2013 at 15:03

      I finally decided to just turn the add-in off. In Outlook 2010 you go to File > Options > Add-Ins . Click the Go button next to Manage: COM Add-Ins. Uncheck the Enterprise Vault option. Restart Outlook and voila! no more message.

      • 30/07/2013 at 07:31

        so now you don’t have Enterprise Vault Add in anymore.
        try to do what I did. Good Luck

  14. Dario Ravera
    04/09/2013 at 17:05

    Worked like a charm. Thank you very much for this!

  15. Md Sarker
    11/06/2014 at 21:38

    Wow. Its working for me. Thanks. ……Faisal

  1. 02/10/2014 at 08:04

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