65503: Acronis Cyber Infrastructure: ABGW deployment on Azure fails with "Incorrect password or username"

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Last update: 17-05-2021


Backup Gateway (ABGW) deployment on Microsoft Azure fails with the following error in /var/log/initialize:

[2020-06-19T11:27:19+0000]: Registering node...
[2020-06-19T12:00:20+0000]: Backend failed to establish connection with agent. Deployment failed.

/var/log/vinfra.log contains the following error:

[2020-06-19 11:27:52,441] ERROR vinfra command failed: Incorrect password or username (UNAUTHORIZED)
[2020-06-19 11:27:55,585] DEBUG vinfra 401 Client Error: UNAUTHORIZED for url:


Issue in the product. Special characters used in Storage management password are improperly handled by the initialization script.


  1. Redeploy the VM using a simpler password: letters and numbers only, without special characters.
  2. Once the deployment is finished, change the password for the admin user via UI, any special characters may be used:
    1. Click the profile icon in the top right corner of WebCP.
    2. Click Change password: