Veeam for Microsoft 365 Mailbox does not have a valid Microsoft 365 license warnings
Veeam Backup for Microsoft 365 can only backup mailboxes that are licensed*. If a mailbox is selected to backup and does not have a licensed assigned, Veeam will report a warning stating the “Mailbox does not have a valid Microsoft 365 license.” There are two options for resolving the “Mailbox does not have a valid Microsoft 365 license” warning. Option 1: Assign a valid license to the mailbox that you would like to backup. Option 2: If the mailbox does not need to be backed up, then you can exclude the mailbox. Below are the steps to exclude a mailbox: If you are backing up your entire organization: If you have specific objects selected to backup: * Shared and resource mailboxes are the exception, and do not require a license to backup. If the warning persist, or would like any other Veeam assistance, please reach out to Support@Managecast.com