public void ImportPicsToAd(Dictionary <string, ImportExportRecord> peopleToImport)
        {
            foreach (var upn in peopleToImport.Keys)
            {
                var upnIdentifier = new UpnIdentifier(upn);
                var picture       = peopleToImport[upn].PhotoLocation;

                if (string.IsNullOrEmpty(picture))
                {
                    // skip
                    Logger.Info($"Skipping photo import for {upn}, as photo location was invalid");
                    continue;
                }

                Stream photoStream;

                Logger.Info($"Importing photo for {upn}, {picture}");

                try
                {
                    photoStream = File.OpenRead(picture);
                }
                catch (Exception e)
                {
                    Logger.Error($"Couldn't read photo from disk: {picture}, Message: {e.Message}. Skipping");
                    continue;
                }

                try
                {
                    _ad.UpdateAttribute(upnIdentifier, ActiveDirectoryClient.AdPhotoAttribute, photoStream);
                }
                catch (Exception e)
                {
                    Logger.Error($"Problem updating AD for {upn}: {e.Message}. Skipping");
                }
            }
        }