The content catalog index on all copies shows as failed. so i did Update-DatabaseCopy -catalogonly does not work.
It seems there is a bug in the RTM its looking for a AD Group that does not exist will probably be fixed later.
The fix is:
Create a new AD group called ‘ContentSubmitters’ and grant “Admistrators” and “NetworkService” full access to it
Thereafter restart “Microsoft Exchange Search” & “Microsoft Exchange Search Host Controller” services
Please try to manually rebuild the full-text index catalog:
1. Stop the Microsoft Exchange Search Service on the Exchange server on which the problematic database is mounted.
2. Delete the full-text index catalog directory
3. Start the Microsoft Exchange Search Service
Then, please reseed the catalog of the database copy again.