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

VMware vCenter Server rescan failed with “Could not create SSL/TLS secure channel” error

KB ID: 2670
Product: Veeam Backup & Replication
Version: all
Published: 2018-06-18
Last Modified: 2020-08-13

Challenge

When trying to add or to rescan VMware vCenter Server you get the “The request was aborted: Could not create SSL/TLS secure channel” error message in Veeam shell. 

Cause

The issue will happen during TLS handshake between Veeam server and VMware vCenter Server if its certificate signature is generated by algorithm which is not supported by OS of Veeam server.
Following OS are affected: Windows Server 2008R2, Windows Server 2012, Windows Server 2012R2.
Wireshark analysis example: https://blogs.msdn.microsoft.com/friis/2012/08/29/tls-1-2-handshake-failure/
 

Solution

Please install this Microsoft update to resolve the issue:
https://support.microsoft.com/en-us/help/2973337/sha512-is-disabled-in-windows-when-you-use-tls-1-2
You can also add the necessary signature and hash algorithm manually in registry:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Cryptography\Configuration\Local\SSL\00010003
Value: Functions

Reboot Veeam server to apply changes.
 
KB ID: 2670
Product: Veeam Backup & Replication
Version: all
Published: 2018-06-18
Last Modified: 2020-08-13

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

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Thank you!

Thank you!

Your feedback has been received and will be reviewed.

Oops! Something went wrong.

Please try again later.

KB Feedback/Suggestion

This form is only for KB Feedback/Suggestions, if you need help with the software open a support case.

By submitting, you are agreeing to have your personal information managed in accordance with the terms of Veeam's Privacy Policy.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Thank you for your interest in Veeam products!
We've sent a verification code to:
  • Incorrect verification code. Please try again.
An email with a verification code was just sent to
Didn't receive the code? Click to resend in sec
Didn't receive the code? Click to resend
Thank you!

Thank you!

Your feedback has been received and will be reviewed.

error icon

Oops! Something went wrong.

Please try again later.