Impossible to delete Veeam Register Key

[Julien Aesir]

Hi,

I tried to uninstall Veeam Agent For Windows on a server, but i can't delete the Veeam folder into the Regedit, actually the problem is from "ManagedMode" this register is impossible to delete because an error prevent the opening "no such file".

I hope I was clear enough and you could help me.

Thank you

[peeky1323]

I had the same issue. If the key is:

HKLM\SOFTWARE\Veeam\Veeam Agent for Microsoft Windows\ManagedMode

I had to use regdelnull from sysinternals to remove. Once I did that, I was able to remove the key. I was in a situation where I was stuck in a trial and could not switch to free mode. After deleting everything and reinstalling I am now running with the free edition.

https://docs.microsoft.com/en-us/sysint ... regdelnull

Thanks,

Matt

[Dima P.]

Thanks Matt. Julien Aesir, can you please clarify why you want to delete the registry key?

[Julien Aesir]

Thanks a lot Matt it worked perfectly, I wanted to uninstall Veeam properly and reinstall it in order to fix an issue with the "Calculating Diggest" i hope it will work too.

[Julien Aesir]

Unfortunatly it didn't work, after the reinstallation the backup settings were the same and the error was the same as well you can find it out there : veeam-agent-for-windows-f33/calculating ... 48170.html
It's another Veeam forum topic.

Thanks you anyway.

[jamcool]

I could not get the registry to delete using regdelnull. Can somebody provide the syntax to run at a command line to do it?

[mike12489]

I could not get the registry to delete using regdelnull. Can somebody provide the syntax to run at a command line to do it?

I was able to get RegDelNull to work as expected using the following command:

Code: Select all

.\RegDelNull64.exe -s "HKLM\SOFTWARE\Veeam\"

Code: Select all

RegDelNull.exe

didn't work for me. I had to use the 64-bit version. Took me a bit to figure out there were two different versions.

[ipodobed]

Hello,

Please try this and let us know how it goes:

Code: Select all

.\RegDelNull.exe -s HKLM

Null-embedded key (Nulls are replaced by '*'):

HKLM\SOFTWARE\Veeam\Veeam Agent for Microsoft Windows\ManagedMode*

Delete? (y/n) y

Key successfully deleted.
Scan complete.

[c0rnh0li0]

Thank you peeky1323. Had issues with Server2012R2, your post did the trick

[lubos]

it does not work form me ... :

.\RegDelNull64.exe -s "HKLM\SOFTWARE\Veeam\"

RegDelNull v1.11 - Delete Registry keys with embedded Nulls
Copyright (C) 2005-2016 Mark Russinovich
Sysinternals - www.sysinternals.com

Null-embedded key (Nulls are replaced by '*'):

HKLM\SOFTWARE\VEEAM\\Veeam Agent for Microsoft Windows\ManagedMode*

Delete? (y/n) y

Error opening for delete:
Access is denied.
Scan complete.


Any other suggestions on how to get rid of this reg issue?

[Dima P.]

lubos,

Please make sure that you've started command prompt as administrator. Cheers!

[lubos]

Done,
shell as the administrator...
ownership over the registry key taken...
delete is working.

Thanks.

[yassin48]

i did all those steps, delete the key, BUT when i try to reinstall veeam free edition, the message come again...i dont know what to do in this case, it is so frustrated to spend the day fighting again this problem

[Dima P.]

Hello yassin48,

Mind me asking why you've reinstalled agent after deleting the key? Any chance you can share the screenshot of the error you got? Thanks!