Problem description

VMware Backup Proxy OVF deployment fails with the following errors:

Error 1

Transfer failed: The OVF descriptor is not available.
Transfer failed: IO error during transfer of 'null': null

Error 2

Failed to deploy OVF package. ThrowableProxy cause A general system error occurred.
Transfer failed: The OVF descriptor is not available.

This issue is experienced when you try to deploy the OVF template using the Web client on a vCenter server prior to version 6.7 Update 1.

Resolution

Deploy the OVF using a different browser. (e.g IE to chrome).

According to VMware, this issue is fixed in vCenter Server 6.7 Update 1.