Do you have a VMware Cloud Foundation infrastructure that’s using NSX-T to statically route network traffic between the NSX-T Edges and the physical network? If so, you can be faced with this error when attempting to upgrade VCF via the SDDC Manager:

2022-04-19T18:28:58.205+0000 ERROR [vcf_migration,0000000000000000,0000] [c.v.e.s.o.model.error.ErrorFactory,pool-5-thread-12] [43TCDO] TIER_0_ROUTE_DISTRO_UPDATE_POST_VALIDATE_FAILED Post-validate of tier-0 T0
route distribution types update failed com.vmware.evo.sddc.orchestrator.exceptions.OrchTaskException: Post-validate of tier-0 T0 route distribution types update failed

This is a quick post with the solution to that error. It seems like VCF is mostly designed for dynamic routing via BGP (which makes total sense), with which routing redistribution is necessary … Read more