} else if (requiredSchemaVersion < installedSchemaVersion) {
log.error("Installed storage cluster schema version: " + installedSchemaVersion +
". Required schema version: " + requiredSchemaVersion
+
". Storage cluster schema has been updated beyond the capability of the existing server installation.");
throw new InstalledSchemaTooAdvancedException();
} else {
log.info("Storage schema requires udpates. Updating from version " + installedSchemaVersion
+ " to version " + requiredSchemaVersion + ".");
updateFolder.removeAppliedUpdates(installedSchemaVersion);