# Fault Types Overview

A fault type is a data structure that conveys information about errors, such as processing errors, raised by the server. Information can include the nature of the problem, such as “ProviderConnectionFailed” fault, which indicates that the Storage Monitoring Service failed to connect to the VASA provider.

All fault types are listed in the pane to the left of this page. Click a name to display reference documentation for a given fault type. Documentation may include:

- Name of the operation that raised the fault.
- The fault type from which the fault extends.
- Descendent fault types.
- Description of purpose and usage.
- Privileges required to generate the fault.
- Parameters this fault type accepts.
- Values this fault type returns.

To quickly find documentation for a specific fault type, enter its name in the Quick Index.