SureBackup Fails After MS Update KB3139914

Veeam Backup & Replication
8.x, 9.x
Last Modified:


SureBackup script tests fail as seen below:

Info     [SureBackup] [VMNAME] [ScriptTests] Begin 'Predefined script 1: name DNS Server, starting...'
Error    Failed to create proces
s with net logon (ERROR_ENVVAR_NOT_FOUND) (System.Exception)
This is the DNS Script test specifically. The various script tests will have different names, however the error will remain constant.


Microsoft KB3139914 has been installed; it pertains to the secondary logon service.


There are three possible solutions:

  1. Uninstall the update if possible.
  2. Leave credentials blank as a workaround. This entails a recreation of the Application Group or Linked Jobs as at present there is no way to remove credentials from the VM options in either of these, once they have been set.
  3. Support has a hotfix that can be implemented to address this issue without removing credentials or the update. Note that this update can only be applied if you are running Veeam v9 update 1 (

More Information

Please be aware that we’re making changes which will restrict access to product updates for users without an active contract.


Rate the quality of this KB article: 
5 out of 5 based on 3 ratings

Couldn't find what you were looking for?

Below you can submit an idea for a new knowledge base article.

Report a typo on this page:

Please select a spelling error or a typo on this page with your mouse and press CTRL + Enter to report this mistake to us. Thank you!

Spelling error in text: