Win32::OLE(0.1403) error 0x80070542: "Either a required impersonation level
was not provided, or the provided impersonation level is invalid"
    in METHOD/PROPERTYGET "Name" at d:\Scripts\BackupVM.pl line 14
Use of uninitialized value in concatenation (.) or string at d:\Scripts\BackupVM
.pl line 14.
Name:
Win32::OLE(0.1403) error 0x80070542: "Either a required impersonation level
was not provided, or the provided impersonation level is invalid"
    in METHOD/PROPERTYGET "VirtualMachines" at d:\Scripts\BackupVM.pl line 16
Can't call method "Name" on an undefined value at d:\Scripts\BackupVM.pl line 18
.