Cannot open database requested by login. The login failed

KB ID: 1635
Product: Veeam ONE
Version: since v6.0
Last Modified: 2016-10-19


When you try to access Veeam ONE Web UI, the following error occurs:

Cannot open database requested by login. The login failed.
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Veeam ONE Web UI configuration is missing information on the account used for SQL authentication.


To modify configuration settings, follow the next steps:

  1. Launch the Veeam ONE Settings utility available in the following location:

    C:\Program Files\Common Files\Veeam\Veeam ONE Settings\VeeamOneSettings.exe

  2. Open the Web Identity tab, re-enter credentials and click Save.

    User-added image


More Information

If you have any questions or problems, please contact Veeam Support at
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