DOCUMENT:Q153326  11-JUN-1999  [exchange]
TITLE   :XADM: Information Store Returns Service Specific Error 4021
PRODUCT :Microsoft Exchange
PROD/VER:winnt:4.0,5.0
OPER/SYS:
KEYWORDS:kbusage exc4 exc5

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The information in this article applies to:

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

When you attempt to start the Microsoft Exchange Server information store, you
may encounter the following error in the Event Log:

   Event ID: 5000
   Source: MSExchangeIS
   Category: none
   Type: Error
   Unable to initialize the Microsoft Exchange Information Store service.
   Error 4021.

CAUSE
=====

This occurs when the Microsoft Exchange Server service account does not have the
correct permissions on the site object.

MORE INFORMATION
================

Permissions can be set at the Organization, Site, and Configuration levels. This
error will only be generated if you remove the permissions from the Microsoft
Exchange Service Account at the Site level.

RESOLUTION
==========

Start the Microsoft Exchange Administrator program, select the Site in which the
IS will not start, click Properties from the File menu, click the Permissions
tab, and give the Microsoft Exchange Service Account the Service Account Admin.
Role.


Additional query words: won't start exfaqad

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Keywords          : kbusage exc4 exc5 
Technology        : kbExchangeSearch kbExchange500 kbExchange400 kbZNotKeyword2
Version           : winnt:4.0,5.0

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