Unable to take backup of MSSQL database: Operating system error 5(Access is denied) in Plesk

Cannot open backup device ‘C:\\Program Files (x86)\\Parallels\\Plesk\\Backup\\yourdomainname.com\\databases\\yourdomainname-182\\123’. Operating system error 5(Access is denied.). BACKUP DATABASE is terminating abnormally. Plesk Error:-¬†Unable to take backup of MSSQL database: Operating system error 5(Access is denied) Did you...