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Thread: ldap query with guid

  1. #1
    Join Date
    Jul 2006
    Posts
    442

    ldap query with guid

    Can anyone tell me how to specify a LDAP query with a filter for a guid? I need to query for the property "msexchmailboxguid", and I think this value could be of type "16 bytes array", not "guid", which could make it hard to specify in a query tool. The query with a filter is like:

    (displayname=XYZ)
    will work, but the filter:
    (msexchmailboxguid={12345678-1234-1234-1234-123412341234})
    will not return any AD object.

    Any help would be appreciated.

  2. #2
    Join Date
    Jun 2006
    Posts
    625

    Re: ldap query with guid

    Can you check if the below filter works for that GUID:

    msExchMailboxGUID=\78\56\34\12\34\12\34\12\12\34\12\34\12\34\12\34

    It it is working, then it is just a case of wanting to convert the COM style string format GUID t binary format and then prefixing each byte with a \. I have a tool on my site in the files called GUIDConverter that simplifies the conversion of GUIDs to formats that are useful in LDAP.

  3. #3
    Join Date
    Oct 2005
    Posts
    1,224

    Re: ldap query with guid

    I think that you should use the hex format for the guid and then escape the hex characters. For instance, if the objectGUID is "{B95F3990-B59A-4A1B-9E96-86C66CB18D99}", then the hex format is "90395FB99AB51B4A9E9686C66CB18D99", and you will use:

    "(objectGUID=\90\39\5F\B9\9A\B5\1B\4A\9E\96\86\C6\6C\B1\8D\99)"

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