Site '%2' is no longer manually configured in the registry as covered by this Global Catalog server for forest '%3'. As a ...

Site '%2' is no longer manually configured in the registry as
covered by this Global Catalog server for forest '%3'. As a result,
site '%2' does not have any Global Catalog servers for forest '%3'.
Global Catalog servers in site '%1' have been automatically
selected to cover site '%2' for forest '%3' based on configured
Directory Server replication costs.