IADConnection EstablishConnectionWithADWS()
{
ADWSConnection adwsConnection = null;
try
{
adwsConnection = new ADWSConnection(Server, Port, Credential);
}
catch (Exception ex)
{
Trace.WriteLine("Unable to load ADWS - .Net 2 only ? (" + ex.Message + ")");
throw new ApplicationException("Unable to load ADWS connection", ex);
}
Trace.WriteLine("Trying ADWS connection");
adwsConnection.EstablishConnection();
Trace.WriteLine("ADWS connection successful");
return(adwsConnection);
}
private void EstablishConnection()
{
ADWSConnection adwsConnection = null;
LDAPConnection ldapConnection = new LDAPConnection(Server, Port, Credential);
try
{
adwsConnection = new ADWSConnection(Server, Port, Credential);
}
catch (Exception ex)
{
Trace.WriteLine("Unable to load ADWS - .Net 2 only ? (" + ex.Message + ")");
}
switch (ConnectionType)
{
case ADConnectionType.ADWSOnly:
Trace.WriteLine("Trying ADWS connection");
adwsConnection.EstablishConnection();
Trace.WriteLine("ADWS connection successful");
connection = adwsConnection;
break;
case ADConnectionType.LDAPOnly:
Trace.WriteLine("Trying LDAP connection");
ldapConnection.EstablishConnection();
Trace.WriteLine("LDAP connection successful");
connection = ldapConnection;
break;
case ADConnectionType.ADWSThenLDAP:
try
{
Trace.WriteLine("Trying ADWS connection");
adwsConnection.EstablishConnection();
Trace.WriteLine("ADWS connection successful");
connection = adwsConnection;
}
catch (Exception ex)
{
Trace.WriteLine("Unable to connect to ADWS - trying LDAP");
try
{
ldapConnection.EstablishConnection();
Trace.WriteLine("Connected with LDAP");
connection = ldapConnection;
}
catch (Exception ex2)
{
Trace.WriteLine("LDAP exception: " + ex2.Message);
Trace.WriteLine(ex2.StackTrace);
Trace.WriteLine("Throwing ADWS Exception again");
throw new ActiveDirectoryServerDownException(ex.Message);
}
}
break;
case ADConnectionType.LDAPThenADWS:
try
{
Trace.WriteLine("Trying LDAP connection");
ldapConnection.EstablishConnection();
Trace.WriteLine("LDAP connection successful");
connection = ldapConnection;
}
catch (Exception ex)
{
Trace.WriteLine("Unable to connect to LDAP - trying ADWS");
try
{
adwsConnection.EstablishConnection();
Trace.WriteLine("Connected with ADWS");
connection = adwsConnection;
}
catch (Exception ex2)
{
Trace.WriteLine("ADWS exception: " + ex2.Message);
Trace.WriteLine(ex2.StackTrace);
Trace.WriteLine("Throwing LDAP Exception again");
throw new ActiveDirectoryServerDownException(ex.Message);
}
}
break;
}
}
