1-800-691-1991 | 9am - 8pm ET

SureBackup Fails After MS Update KB3139914


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 (
Veeam Backup & Replication
8.x, 9.x
Last Modified:
Please rate how helpful this article was to you:
5 out of 5 based on 1 ratings
Thank you for helping us improve!
An error occurred during voting. Please try again later.

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

Knowledge base content request
By submitting, you agree that your personal data will be managed by Veeam in accordance with the Privacy Policy.

ty icon

Thank you!

We have received your request and our team will reach out to you shortly.


error icon

Oops! Something went wrong.

Please go back try again later.