private static PolicyData GetDefaultPolicySetting(IAirSyncUser user)
        {
            ADObjectId configurationUnit = user.ADUser.ConfigurationUnit;

            if (configurationUnit == null)
            {
                if (ADNotificationManager.enterpriseConfigurationID == null)
                {
                    IConfigurationSession configurationSession = ADNotificationManager.CreateScopedADSession(user);
                    ADNotificationManager.enterpriseConfigurationID = configurationSession.GetOrgContainerId();
                    user.Context.ProtocolLogger.SetValue(ProtocolLoggerData.DomainController, configurationSession.LastUsedDc);
                }
                configurationUnit = ADNotificationManager.enterpriseConfigurationID;
            }
            Func <PolicyData> loadDataAction = () => ADNotificationManager.LoadDefaultPolicySetting(ADNotificationManager.CreateScopedADSession(user), user.Context.ProtocolLogger);

            ADNotificationManager.ADSettingsInfo <PolicyData> adsettingsInfo;
            bool flag = ADNotificationManager.LoadADSettingsData <PolicyData>(ADNotificationManager.policies, configurationUnit.DistinguishedName, loadDataAction, user.OrganizationId.PartitionId, out adsettingsInfo);

            if (flag && adsettingsInfo.ADSettingsData == null)
            {
                AirSyncDiagnostics.TraceDebug <string>(ExTraceGlobals.RequestsTracer, null, "Default PolicySettings not found. Save null in cache.Policy DN {0}", configurationUnit.DistinguishedName);
                ADNotificationManager.policies.Add(configurationUnit.DistinguishedName, new ADNotificationManager.ADSettingsInfo <PolicyData>(user.OrganizationId.PartitionId, null, ExDateTime.UtcNow));
            }
            AirSyncDiagnostics.TraceDebug <string>(ExTraceGlobals.RequestsTracer, null, "Returning Default PolicySettings data. DN {0}", configurationUnit.DistinguishedName);
            return(adsettingsInfo.ADSettingsData);
        }