err = s.adm.SetUser(ctx, accessKey, secretKey, madmin.AccountEnabled)
	if err != nil {
		c.Fatalf("Unable to set user: %v", err)
	}

	// 1. Add user to a new group
	group := "mygroup"
	err = s.adm.UpdateGroupMembers(ctx, madmin.GroupAddRemove{
		Group:   group,
		Members: []string{accessKey},
	})
	if err != nil {
		c.Fatalf("Unable to add user to group: %v", err)
	}

	// 2. Check that user has no access

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	writeSuccessResponseJSON(w, data)
}

// UpdateGroupMembers - PUT /minio/admin/v3/update-group-members
func (a adminAPIHandlers) UpdateGroupMembers(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.AddUserToGroupAdminAction)
	if objectAPI == nil {