While loading an imported DFW rule draft, the following message in observed on the NSX Manager UI:
"Current configuration changes exceeds the safe publish limits. Please publish the rules or save them as a draft"
VMware NSX 4.x
If there are 2500 or more modifications in the Firewall drafts, this message is expected.
This will be addressed in an upcoming NSX release.
Workaround:
Please click publish and proceed with loading the draft.