internal static string GetInternalLegacyDN(ADUser user, string targetLegacyDN)
{
string x = FreeBusyFolder.GetOrganizationLegacyDN(user.LegacyExchangeDN) + "/ou=External (FYDIBOHF25SPDLT)";
foreach (ProxyAddress proxyAddress in user.EmailAddresses)
{
if (proxyAddress.Prefix == ProxyAddressPrefix.X500)
{
string oulegacyDN = FreeBusyFolder.GetOULegacyDN(proxyAddress.AddressString);
if (oulegacyDN != null && !StringComparer.OrdinalIgnoreCase.Equals(x, oulegacyDN) && FreeBusyFolder.IsGeneratedLegacyDN(proxyAddress.AddressString))
{
return(proxyAddress.AddressString);
}
}
}
string oulegacyDN2 = FreeBusyFolder.GetOULegacyDN(targetLegacyDN);
if (oulegacyDN2 != null)
{
return(FreeBusyFolder.GenerateInternalLegacyDN(oulegacyDN2));
}
return(null);
}
