Challenge When attempting to upgrade an existing Veeam Backup Enterprise Manager deployment to version 12.2, the installer fails, displaying the error: Error occurred during certificate processing. Cause This error occurs when the TLS certificate used for REST API doesn't specify a certificate store name. Solution Part 1: Review TLS Certificate Review the existing TLS certificate and identify if the Certificate Store Name value is (null) using the following command: netsh http show sslcert ipport=0.0.0.0:9398 Copy The (null) value for the Certificate Store Name causes the upgrade error. Part 2: Remove and Rebind Certificate If the Certificate Store Name is listed as (null), you must rebind the existing TLS certificate so that it has the Certificate Store Name explicitly specified. Review the existing certificate and take note of the Certificate Hash value. netsh http show sslcert ipport=0.0.0.0:9398 Copy Remove the existing certificate. netsh http delete sslcert ipport=0.0.0.0:9398 Copy Using the Certificate Hash value you noted from step 1, rebind the existing certificate, specifying the Certificate Store as My. netsh http add sslcert ipport=0.0.0.0:9398 certhash= appid="{73ec9393-95b6-4498-a845-9a0cb95306be}" certstorename=My Copy Part 3: Complete Veeam Backup Enterprise Manager Upgrade After the upgrade of Veeam Backup Enterprise Manager (VBEM) fails, the installer will not offer the option to upgrade it. Therefore, after repairing the certificate…Read More