If you have a Moodle system administrator, make special note of that person's contact information and keep it handy.
If your organization doesn't have a system administrator for the Moodle site, find a knowledgeable Moodle friend. This can be a friend or a colleague in your IT department. Bring her presents, tell her she is the most wonderful person walking this earth. Ego boosting and bribery work very well. You can also try a nice introduction e-mail first, and often that's enough.
If you're on your own, don't forget that the Moodle community is very active — someone will help:
I almost forgot: There's me! Contact me at www.dummies.com/go/moodlefd.