What to read next Common Data Source Errors When you add a data source, you can come across several errors. This table contains the list of common errors with the cause and resolution for each. Unable to Enable DFW IPFIXVMware Aria Operations for Networks does not allow you to enable DFW IPFIX. Unable to get Distributed (DFW) flows from the NSX ManagerNot able to enable IPFIX after activating the VMware Aria Operations for Networks from the VMC Console. As a result, VMware Aria Operations for Networks unable to collect DFW flows for the NSX Manager. Known LimitationsView the unsupported list of features or actions.