wbadmin disable backup
Stops running the existing scheduled daily backups.
To disable a scheduled daily backup using this command, you must be a member of the Administrators group, or you must have been delegated the appropriate permissions. In addition, you must run wbadmin from an elevated command prompt, by right-clicking Command Prompt, and then selecting Run as administrator.
wbadmin disable backup [-quiet]
|-quiet||Runs the command without prompts to the user.|