# Host

The machine name or IP address of the Promotion Agentstore component. QMS uses this component to store query manipulation rules and promotions.

IMPORTANT: If you set GSSServiceName, you must set `Host` to a fully qualified domain name (that is, you cannot use `localhost`, an IP address, or a host without the domain name, even if these values resolve to the correct server). QMS retrieves the Kerberos realm from the host name.

Type: | String
Default: | None
Required: | No
Configuration Section: | PromotionAgentStore
Example: | `Host=mcp`
See Also: |

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