a6bb6589_seUS_Todo_Backup__online_help___Meaning
[Error Codes] 0X*****225 [Error Codes_2] 0X*****401 [Meaning_3] Current computer is not mailbox server role, or the name of Exchange server is not the same as current computer name, so backup and recovery are not supported on current computer. [Meaning] 
Task Group not found.
Error Code list of EaseUS Todo Backup- online help.
Meaning