requestorIsDerivedCredential = true
	}

	if globalIAMSys.GetUsersSysType() == MinIOUsersSysType && targetUser != cred.AccessKey {
		// For internal IDP, ensure that the targetUser's parent account exists.
		// It could be a regular user account or the root account.
		_, isRegularUser := globalIAMSys.GetUser(ctx, targetUser)
		if !isRegularUser && targetUser != globalActiveCred.AccessKey {
			apiErr := toAdminAPIErr(ctx, errNoSuchUser)