// policy is inherited from `user.AccessKey`.
	cred.ParentUser = user.AccessKey

	// Set the newly generated credentials.
	updatedAt, err := globalIAMSys.SetTempUser(ctx, cred.AccessKey, cred, "")
	if err != nil {
		writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
		return
	}

	// Call hook for site replication.
	if cred.ParentUser != globalActiveCred.AccessKey {

			// Set the newly generated credentials, policyName is empty on purpose
			// LDAP policies are applied automatically using their ldapUser, ldapGroups
			// mapping.
			updatedAt, err := globalIAMSys.SetTempUser(context.Background(), cred.AccessKey, cred, "")
			if err != nil {
				return nil, err
			}

			// Call hook for site replication.

			// Set the newly generated credentials, policyName is empty on purpose
			// LDAP policies are applied automatically using their ldapUser, ldapGroups
			// mapping.
			updatedAt, err := globalIAMSys.SetTempUser(context.Background(), cred.AccessKey, cred, "")
			if err != nil {
				return nil, err
			}

			// Call hook for site replication.