Issue with .NET accessing LDAP on Win 2003

Discussion in 'ASP .Net' started by =?Utf-8?B?U2VybGluZQ==?=, Apr 4, 2005.

  1. I can login to the domain hosted by Win 2003. However when my .NET
    application trys to authenticate using NTLM with LDAP on Win 2003, I'm
    encountering problems.
    It's showing "The authentication mechanism is unknown". When I check the Win
    2003 event viewer, it's showing somthing like an incorrect username and
    password is entered.

    But I've used the same password to logon successfully at the windows logon.
    I'm sure the successful windows logon was not due to any local profile
    residing on the machine. What could be the possible cause?

    Also, anyone know whether SIDs filtering could cause such effect?
     
    =?Utf-8?B?U2VybGluZQ==?=, Apr 4, 2005
    #1
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  2. =?Utf-8?B?U2VybGluZQ==?=

    TheBurgerMan Guest

    Did you pass your Domain name also?

    --
    Thanks,
    TheBurgerMan
    at
    gmail.com
    --
    "Serline" <> wrote in message
    news:...
    >I can login to the domain hosted by Win 2003. However when my .NET
    > application trys to authenticate using NTLM with LDAP on Win 2003, I'm
    > encountering problems.
    > It's showing "The authentication mechanism is unknown". When I check the
    > Win
    > 2003 event viewer, it's showing somthing like an incorrect username and
    > password is entered.
    >
    > But I've used the same password to logon successfully at the windows
    > logon.
    > I'm sure the successful windows logon was not due to any local profile
    > residing on the machine. What could be the possible cause?
    >
    > Also, anyone know whether SIDs filtering could cause such effect?
     
    TheBurgerMan, Apr 4, 2005
    #2
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  3. Yes, my software engineer said she did.
    She has also used the same login page to connect to a LDAP on a Win2K page
    with success.

    "TheBurgerMan" wrote:

    > Did you pass your Domain name also?
    >
    > --
    > Thanks,
    > TheBurgerMan
    > at
    > gmail.com
    > --
    > "Serline" <> wrote in message
    > news:...
    > >I can login to the domain hosted by Win 2003. However when my .NET
    > > application trys to authenticate using NTLM with LDAP on Win 2003, I'm
    > > encountering problems.
    > > It's showing "The authentication mechanism is unknown". When I check the
    > > Win
    > > 2003 event viewer, it's showing somthing like an incorrect username and
    > > password is entered.
    > >
    > > But I've used the same password to logon successfully at the windows
    > > logon.
    > > I'm sure the successful windows logon was not due to any local profile
    > > residing on the machine. What could be the possible cause?
    > >
    > > Also, anyone know whether SIDs filtering could cause such effect?

    >
    >
    >
     
    =?Utf-8?B?U2VybGluZQ==?=, Apr 5, 2005
    #3
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