Title: RE: [ActiveDir] Indexing an attribute
Not for this one. homeMDB is a true AD DN attribute like say member. As I understand it, it is stored not as a string but as a pointer (which is why I wonder how much help indexing will give...) that is why it auto updates when you change the name of the object. legacyExchangeDN isn't a real DN to AD. Take a look at the attribs definition in the schema, contrast with homeMDB.
 
You can't wildcard the real DN attribs. The string form is constructed.
 
  joe


From: [EMAIL PROTECTED] on behalf of Tony Murray
Sent: Tue 11/9/2004 9:53 AM
To: [EMAIL PROTECTED]
Subject: RE: [ActiveDir] Indexing an attribute

> You still won't be able to do wildcard searches because it is a DN attribute.

You can still use a wildcard where the beginning of the value is known, e.g.

(&(|(objectclass=contact)(objectclass=group))(|(legacyExchangeDN=/o=MyCo/ou=MyOU/*)(legacyExchangeDN=ADCDisabledMail*)(isDeleted=TRUE)))

I think this is where the indexing would help.

Tony
---------- Original Message ----------------------------------
From: "joe" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Date:  Tue, 9 Nov 2004 06:03:07 -0800

You will have a little DIT growth, creation of new mailboxes might be
impacted a little in terms of speed as insertion of the attribute might be a
trifle slower (nothing you would notice I expect unless doing a ton of new
creations quickly with MT C code and still you could blame it on the RUS
faster than blaming it on the indexing).

Anything that searched on that attribute would possibly be more efficient or
be quicker.

You still won't be able to do wildcard searches because it is a DN
attribute.

What are you looking to get out of it? Or to put it another way, why do you
think you should do it?

Overall in the end, MS and pretty much anyone is going to say you need to
test it in your test lab with a comparable test data set as production to
really know specifically what it will do.

  joe


  _____ 

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Holland Matthew BC
GB
Sent: Tuesday, November 09, 2004 4:36 AM
To: [EMAIL PROTECTED]
Subject: [ActiveDir] Indexing an attribute



Hi all,



Does anyone know the potential impact of indexing an attribute in Active
Directory?  The attribute is HomeMDB, it's Single Valued and is a member of
the PAS (We have approx 17,000 Mail Enabled User objects in Active
Directory).



Cheers,



Matty








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