After updating to 8.1 RU1, Predefined computers created with Static IP addresses cannot be imported via the console or CSV file. Because the computers do not show up in the console (nor in the the 'Pre-Defined Computer' filter) these systems cannot PXE boot using the preboot specified for 'Predefined Computers' on the NBS General Settings page.
The predefined computers do not show up in the 'Predefined Computers' page.
A change was made in the filter named 'Pre-defined computers' to accomodate changes made in 'TECH240515'. This issue is a side affect of this change.
This issue is currently under investigation by development.
There are two workarounds available: