Answer:

If you have a lot of sampling sessions defined, even if they are all stopped, it takes some time for Foxhound to process them when starting up.

When this delay occurs, you may see "Foxhound was not available yet..." instead of the Foxhound Menu page.

You may also see "Preparing monitor sample sessions..." in the Foxhound database server console window for a long time before "Foxhound now accepting requests" appears.

This delay will be longest when the computer running Foxhound has just been rebooted.

You can speed up the next startup by deleting old sample sessions you no long need.