Using the standard version, the backup completes, but the connection is lost, then restored, then the snapshot is deleted, but vBackup thinks it is not and removes the entire backup.

Backup: 150227_131230
No existing temporary snapshots found.
Temporary Snapshot: vBackup-TMP-150227_131230
VMware Virtual Disk Development Kit: VMware Virtual Disk Manager - build 774844
VMware Virtual Disk Manager response for Hard Disk 1: [datastore1] AMCI-CRMPROD/AMCI-CRMPROD_1.vmdk:
SSL_VerifyCbHelper: Certificate verification is disabled, so connection will proceed despite the error

VMware Virtual Disk Manager response for Hard Disk 2: [datastore1] AMCI-CRMPROD/AMCI-CRMPROD.vmdk:
SSL_VerifyCbHelper: Certificate verification is disabled, so connection will proceed despite the error

[NFC ERROR] NfcNetTcpRead: bRead: -1

[NFC ERROR] NfcNet_Recv: requested 261704, recevied only 98304 bytes

[NFC ERROR] NfcFile_RecvMessage: data recv failed. retval = 3, expected 261704

[NFC ERROR] NFC_NETWORK_ERROR

Failed to convert disk: Operation completes asynchronously (0x300004650).

E Unable to complete backup. Unable to verify successful transfer of virtual machine virtual disk file D:\test-vback\AMCI-CRM4PROD\150227_131230\AMCI-CRMPROD.vmdk.
Connection to server timed out during backup process. Connection must be reestablished in order to remove temporary snapshot (this is not an error).
Connection to server reestablished successfully.
e Unable to remove temporary snapshot vBackup-TMP-150227_131230. (vmodl.fault.InvalidArgument) {.
Backup data folder deleted in cleaning up after job failure.
Process Completed: 2/27/2015 2:24:02 PM
Elapsed Time: 1 hour, 11 minutes and 43 seconds