[This is preliminary documentation and subject to change]

# Metabase

The metabase is a hierarchical repository for most IIS configuration values, while a few IIS configuration values are stored in the Registry.

This section contains:

- About the Metabase: Overview of the IIS metabase.
- Metabase Structure: Describes the hierarchical structure of the Metabase, inheritance of property values. Also describes the metabase schema.
- Configuring the Metabase: Discusses the various methods for configuring the metabase. There is a discussion of history files, editing the MetaBase.xml file while IIS is running, as well as an explanation of extending the XML metabase schema.
- Metabase Security: Describes file level security of the metabase files, encrypted metabase properties, and auditing. Also discusses programmatic access to metabase nodes and renaming or relocating MetaBase.xml.
- Metabase Reliability: Discuses backing up and restoring the metabase.
- Metabase Import and Export: Describes Site cloning, application cloning, and creating a metabase template to import/merge from other IIS computers.
- Metabase Changes for IIS 6.0: Overview of the metabase properties that have changed in IIS 6.0.
- Metabase Scenarios: Scenarios that illustrate metabase functionality.

Related Resources that are not in this section:

Metabase Property Reference: This section contains a reference page for each property in the metabase.

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