DOCUMENT:Q190822  24-SEP-1999  [exchange]
TITLE   :XADM: Error During Installation: Account Information Is Incorrec
PRODUCT :Microsoft Exchange
PROD/VER:winnt:4.0,5.0,5.5
OPER/SYS:
KEYWORDS:exc4 exc5 exc55

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The information in this article applies to:

 - Microsoft Exchange Server, versions 4.0, 5.0, 5.5 
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SYMPTOMS
========

If you run the Exchange Server Setup program, you are required to choose a
Windows NT account that is used as the Exchange Server Service Account. After
you choose the account, you may receive the following error message:

   Account information is incorrect.

If you are using Exchange Server version 4.0, the following error message is
displayed:

   No mapping between account names and security Ids was done.

   MS Win NT 0xc0020534

CAUSE
=====

This error occur because the Windows NT service RPC Configuration has been
removed or needs to be added.

WORKAROUND
==========

To resolve this problem, add the RPC Configuration service to the Windows NT
Server computer on which you are trying to install Exchange Server.

You can add the RPC Configuration service by selecting the Network Icon in
Control Panel. Click the Services Tab, and then click the Add button. Find and
select the RPC Configuration service in the Network Service list and click OK.


Additional query words:

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Keywords          : exc4 exc5 exc55 
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbExchange400 kbZNotKeyword2
Version           : winnt:4.0,5.0,5.5
Issue type        : kbprb

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