// Check for service account first
		store.loadUser(ctx, accessKey, svcUser, newCache.iamUsersMap)

		svc, found := newCache.iamUsersMap[accessKey]
		if found {
			// Load parent user and mapped policies.
			if store.getUsersSysType() == MinIOUsersSysType {
				err = store.loadUser(ctx, svc.Credentials.ParentUser, regUser, newCache.iamUsersMap)
				// NOTE: we are not worried about loading errors from policies.