Launch the Veeam ONE Settings utility available from Veeam ONE Monitor console > Server Settings > Other Settings > Launch Support Utility or under the following path:
C:\Program Files\Common Files\Veeam\Veeam ONE Settings\VeeamOneSettings.exe
In the menu on the left, select General, open the Database tab and make the necessary changes in the SQL Server section.
Make sure this account has sufficient privileges on the Veeam ONE database on the SQL Server side, as it will be used for performance data collection.
Click the Test Connection button to check whether new configuration settings are correct.
Save changes.
Restart Veeam ONE Monitor Server service.
Then modify connection settings for Veeam ONE Reporter and Business View. To accomplish this, follow the next steps:
In the list of services, locate Veeam ONE Reporter Server service and choose to modify its properties. Open the Log On tab and specify the necessary account for the service in the Log on as section.
Make sure this account has sufficient privileges on the Veeam ONE database on the SQL Server side, as it will be used for data collection.
Launch the Veeam ONE Settings utility available under the following path:
C:\Program Files\Common Files\Veeam\Veeam ONE Settings\VeeamOneSettings.exe
In the menu on the left, select General, open the Web Identity tab and make the necessary changes in the Web identity section.
Make sure this account has sufficient privileges for Veeam ONE's database on a SQL Server side, as it will be used for overall Web UI operation and reports creation.
Save changes.
Restart Veeam ONE Reporter Server service.