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unable to connect to active directory server yawnmoth 07-31-2008
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Posted by yawnmoth on July 31, 2008, 6:42 pm
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 I'm trying to connect to an Active Directory server and am having some
difficulties. Here's the code I'm using:

<?php
if (!($ldap = ldap_connect('domain.tld'))
{
        exit('unable to connect');
}

ldap_bind($ldap, 'username', 'password');
?>

With that code, I get the following error:

Warning: ldap_bind() [function.ldap-bind]: Unable to bind to server:
Invalid credentials in C:\htdocs\test.php on line 10

The thing is... I can connect just fine using Active Directory
Explorer v1.01 [1] using the same info as above. The only thing I
can figure is that Active Directory Explorer is doing something that
PHP doesn't. Maybe it connects to a different port than PHP does by
default? Maybe it appends something to the username?

[1] http://www.microsoft.com/technet/sysinternals/networking/adexplorer.mspx

Posted by Charles Polisher on August 1, 2008, 8:42 pm
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> I'm trying to connect to an Active Directory server and am having some
> difficulties. Here's the code I'm using:
>
><?php
> if (!($ldap = ldap_connect('domain.tld'))
> {
>         exit('unable to connect');
> }
>
> ldap_bind($ldap, 'username', 'password');
> ?>
>
> With that code, I get the following error:
>
> Warning: ldap_bind() [function.ldap-bind]: Unable to bind to server:
> Invalid credentials in C:\htdocs\test.php on line 10
>
> The thing is... I can connect just fine using Active Directory
> Explorer v1.01 [1] using the same info as above. The only thing I
> can figure is that Active Directory Explorer is doing something that
> PHP doesn't. Maybe it connects to a different port than PHP does by
> default? Maybe it appends something to the username?
>
> [1] http://www.microsoft.com/technet/sysinternals/networking/adexplorer.mspx

Can you run Wireshark on the two sets of transactions
and post the (sanitized) traces?


Posted by yawnmoth on August 4, 2008, 3:09 pm
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> > I'm trying to connect to an Active Directory server and am having some
> > difficulties. =A0Here's the code I'm using:
>
> ><?php
> > if (!($ldap =3D ldap_connect('domain.tld'))
> > {
> > =A0 =A0exit('unable to connect');
> > }
>
> > ldap_bind($ldap, 'username', 'password');
> > ?>
>
> > With that code, I get the following error:
>
> > Warning: ldap_bind() [function.ldap-bind]: Unable to bind to server:
> > Invalid credentials in C:\htdocs\test.php on line 10
>
> > The thing is... =A0I can connect just fine using Active Directory
> > Explorer v1.01 [1] =A0using the same info as above. =A0The only thing I
> > can figure is that Active Directory Explorer is doing something that
> > PHP doesn't. =A0Maybe it connects to a different port than PHP does by
> > default? =A0Maybe it appends something to the username?
>
> > [1]http://www.microsoft.com/technet/sysinternals/networking/adexplorer.=
mspx
>
> Can you run Wireshark on the two sets of transactions
> and post the (sanitized) traces?

I actually figured it out - Active Directory Explorer automatically
appends the domain name to the username (eg. user@domain.tld), whereas
PHP, I guess, doesn't, and instead, requires you manually add it.

Posted by Zsolt on August 4, 2008, 9:55 pm
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I was having the same issues when trying to use the ldap functions in
PHP so I created a class that utilizes ADSI instead of LDAP. You can
grab it here http://www.phpclasses.org/browse/package/4549.html. I
found that utilizing COM & ADSI made the whole thing alot easier.

> I'm trying to connect to an Active Directory server and am having some
> difficulties. =A0Here's the code I'm using:
>
> <?php
> if (!($ldap =3D ldap_connect('domain.tld'))
> {
> =A0 =A0 =A0 =A0 exit('unable to connect');
>
> }
>
> ldap_bind($ldap, 'username', 'password');
> ?>
>
> With that code, I get the following error:
>
> Warning: ldap_bind() [function.ldap-bind]: Unable to bind to server:
> Invalid credentials in C:\htdocs\test.php on line 10
>
> The thing is... =A0I can connect just fine using Active Directory
> Explorer v1.01 [1] =A0using the same info as above. =A0The only thing I
> can figure is that Active Directory Explorer is doing something that
> PHP doesn't. =A0Maybe it connects to a different port than PHP does by
> default? =A0Maybe it appends something to the username?
>
> [1]http://www.microsoft.com/technet/sysinternals/networking/adexplorer.ms=
px


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