logging and vhost note
@@ -50,6 +50,8 @@ Wed Jun 7 17:49:32 2019 SERVER (none) [2]:0 -> @flow(19) [next-incoming-id=1, i
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+NOTE: `vhost` entries are only populated if `multiTenant` is set to `true` in the `{RouterConfigFile}` configuration file.
+
.Additional resources
* For more information about configuring logging modules, see xref:configuring-default-logging-{context}[].
