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Q249280: XADM: Error Joining an Existing Site Running on Windows 2000

Article: Q249280
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s): 
Keyword(s): exc55
Last Modified: 06-AUG-2002

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

You receive the following error message when you are running Exchange Server
Setup to join a site that is running on Microsoft Windows 2000 Server:

  No mapping between account names and security IDs was done.
  Microsoft Windows NT
  ID no: 0xc0020534

You receive this error after entering the password for the Exchange Server
service account.

CAUSE
=====

Exchange Server 5.5 only recognizes account entries in the format of
<Domain>\<Account>, not in the <Account>@<Domain.com>
format.

RESOLUTION
==========

To resolve this issue, you must change the Log On account for each of the
Exchange Server services from the <Account>@<Domain.com> format to
the <Domain>\<Account> format. To do so, on the Windows 2000
computer that is running Exchange Server:

1. Open Services from the Administrative Tools program group.

2. Double-click on each of the Exchange Server services.

3. Click the Log On tab.

4. In the This account field, change the account to the
  <Domain>\<Account> format.

The domain in the <Domain>\<Account> format is the NetBIOS domain
name.

The account must be manually typed in in this format, because Windows 2000
automatically enters the account name in the <Account>@<Domain.com>
format.

After you complete the preceding steps, you can complete the installation of
Exchange Server 5.5, and join the site successfully.

Additional query words:

======================================================================
Keywords          : exc55 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbprb

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