Here are several LinkedIn groups you can join that can help you solve some of your thorniest problems.
Office Manager Group (11,593 members). A general group for administrative professionals and office managers to discuss issues and exchange ideas.
Administrative Professional Today (2,965 members). Admin pros here are quick to answer your questions on a variety of topics.
Office Manager Networking Group (3,644 members). Introduce yourself and network with your peers. A great place to swap thoughts.