This topic contains the following information:

• Common problems in subarea networks
• Common problems in APPN networks
• Common problems in HPR networks
• Common symptoms and associated VTAM problem types

Even in cases when a VTAM® problem has the same symptoms as a non-VTAM problem, by studying similar examples in this topic, you may be better prepared when you contact the IBM® Support Center.

If you have access to a software support database, you can search for your problem in that database and apply any recommended correction.