MS Exchange Server 2000 and 5.5 Integration

Exchange 2000 Server and Exchange Server 5.5 Integration

Frequently Asked Questions
Updated September 2002

The following are some commonly asked questions about a variety of Exchange
2000 Server issues. You'll find answers to questions on the following topics:

l General Information
l Storage
l Backup and Restore
l Instant Messaging
l Conferencing Service

General Information
What is Exchange Installable File System (IFS), and what does it do?
Exchange IFS allows direct access to Exchange 2000 Information Store data at
the file system level. This is accomplished by exposing a file system drive letter
that represents the Information Store. Exchange IFS provides Microsoft Win32®
API support for the Exchange 2000 Information Store. Clients such as Microsoft
Windows® Explorer, Command Prompt, and Microsoft Office applications, will be
able to treat an Exchange 2000 Information Store as a file system and use
Win32 API calls to store, retrieve, and find documents.

What is the difference between a primary and a non-primary connection
agreement?
A primary connection agreement replicates existing directory objects. It also
creates and replicates new directory objects in the destination directory. A non primary
connection agreement only replicates information in pre-existing
objects.
A connection agreement type has two check boxes, which are selected by
default even if a connection agreement already exists. These are "This is a
primary connection agreement for the connected Exchange organization" and
"This is a primary connection agreement for the connected Windows Domain."
If you are using more than one connection agreement to replicate Microsoft
Windows® 2000 user accounts for a single Exchange organization, there should
be only one primary connection agreement. Using multiple primary connection
agreements to replicate the same Exchange Server 5.5 organization will result in
the creation of duplicate objects.

What is the name-matching rule and how do I set it?
You can customize directory object-matching rules on the From Exchange tab
and the From Windows tab. The name-matching rule should be set to its default
setting. You should change this only when the Microsoft Active Directory™ and
the Exchange Server 5.5 directory have several common objects, for example,
when inter-forest replication is in place. Matching rules should be changed so
that object attributes in each of the directories have different values (for
example, an SMTP address or a SID).
Note Attributes you select affect all connection agreements. If you clear the
attributes for Exchange Server 5.5, you clear the same attributes for Windows
2000.

What is the function of the Site Replication Service?
The Site Replication Service (SRS) was designed to provide directory
interoperability between Exchange Server 5.5 and Exchange 2000 Server. SRS
is built and runs on an Exchange 2000 server, and is essentially a modified
Exchange Server 5.5 directory. SRS uses LDAP to communicate to both the
Active Directory and the Exchange Server 5.5 directory. To Exchange 5.5
servers, the SRS looks like another Exchange 5.5 server behaving like a
configuration/recipients replication partner.

What prerequisites must I fulfill before installing Exchange 2000?
You must fulfill the following prerequisites before installing Exchange 2000:
l Your log-in account must have permissions to modify the Configuration
container of the root domain.
l Your log-in account must be a member of the following groups: Enterprise
Admins, Domain Admins, and Schema Admins.
l SMTP and NNTP must be installed.
l Windows 2000 Server must be installed on the target server.
l Target server must belong to a Windows 2000 domain.
l The \EXCHSRVR\MDBDATA directory must be empty.

Storage
What are Storage Groups, and what is the relationship between Storage
Groups and multiple databases? A Storage Group is a virtual container for
multiple databases (information stores). The recommendation for database
capacity planning on non-clustered Exchange 2000 Servers is a maximum of
four storage groups that contain a maximum of five databases for each storage
group. This results in a maximum of 20 databases for each Exchange 2000
server. This limit is enforced inside the Exchange System Manger snap-in, so
administrators cannot create more storage groups than the system enables.
See XADM: Maximum Number of Storage Groups in Exchange 2000 for
Database Capacity Planning 251123 for details.

Backup and Restore
Does Exchange 2000 support Single-Mailbox Restore?
Exchange 2000 does not support Single-Mailbox Restore with tools and products
from Microsoft. You can find several third-party backup programs that support
Single-Mailbox Restore, but the Ntbackup.exe tool cannot perform this function.
Exchange 2000 does provide Mailbox Retention, which enables you to retain a
deleted mailbox for a specified period of time before "permanently" deleting it.

Instant Messaging
What is Instant Messaging?
Instant Messaging is a new and fundamentally different medium of
communication. This technology gives Exchange 2000 users the ability to
communicate with other Instant Messaging users in an immediate and
interactive environment while conveying "presence" and "status" information.

What hardware and software must I have before installing Exchange
2000 with the Instant Messaging component?
Hardware:
l Pentium 166 or higher recommended
l 2 gigabytes (GB) of NTFS available hard drive space
l 64 megabytes (MB) of RAM (128 or higher recommended)
l Microsoft Mouse or other compatible pointing device
l Super VGA monitor recommended
l CD-ROM (8x or higher)
Software:
l Microsoft Windows 2000 Member Server (Member of a Windows 2000
domain)
l Microsoft Internet Information Services 5.0
l Network News Transfer Protocol (NNTP)
l Simple Mail Transfer Protocol (SMTP)
l Dynamic Domain Name Service available within the domain (Member server
must be registered)
A user account designated to be the "Exchange Service Account" should be
created in the domain prior to installing Exchange 2000 Server along with any
relevant components.
In addition, the installation of the Instant Messaging component requires that
Messaging and Collaboration component also be installed within the Windows
2000 site. If this requirement is not met, you will be prompted to install this
Exchange 2000 component before moving forward.

What if I cannot install the Instant Messaging Component?
There may be two possible reasons why installation of the Instant Messaging
component may fail:
l When installing Instant Messaging on the "host" machine, installation
requires that you possess Domain Administrator rights. These rights give
you abilities such as modifying the Active Directory or creating and
modifying registry entries.
l An additional reason why you may not be able install the Instant Messaging
component might entail the absence of Messaging and Collaboration within
the Windows 2000 site.

Why am I unable to "enable" Windows 2000 users for Instant
Messaging?
The following conditions may contribute to problems when "enabling" Windows
2000 users:
l Instant Messaging has not been installed.
l An Instant Messaging "Home" server has not been created and/or
configured.
l The target user does not have a valid SMTP address.
l The user may already be Instant Messaging "enabled."
l A DNS SRV record exists but the corresponding Instant Messaging virtual
server does not.

My Instant Messaging Clients are unable to logon successfully. What's
wrong?
When Instant Messaging clients fail to log on to their respective "home" server
there are several error codes that may be logged within the IIS logging
directory:
Error 404 (Not Found)
¡ Instant Messaging logon address does not match the IM virtual server's
host header
¡ The user is not Instant Messaging "enabled"
¡ The user exists in a different domain name space
¡ The user doesn't have an existing Windows 2000 user account
Error 400 (Bad Request)
¡ Instant Messaging virtual server is not created
¡ The W3svc service is not started
¡ Network interference is present
Error 401 (Not Authorized)
¡ The domain or user policy is not set to use Digest Authentication
¡ The user's password is incorrect and/or the user must reset password
after applying Digest Authentication policy to domain or user
¡ The password or alias is incorrect
Error 501 (Not Implemented)
¡ The Instant Messaging virtual server is stopped

What added functionality am I getting with Instant Messaging "Busy"
Client Status?
After a client sets their status to "busy" and then receives an IM message,
minimized messages will no longer blink on the system tray.

Conferencing Service
What is the Exchange 2000 Conferencing Service?
The Exchange Conferencing Service provides Exchange users with the ability to
schedule and participate in real-time data and audio/video conferences using
Microsoft NetMeeting®.

What requirements are needed to join a video conference?
Videoconferencing requires Windows 2000. Earlier versions of Windows do not
work correctly.

What should I do if video is not displayed within the conference Web
page?
Follow these steps to make your video display properly.
1. Right-click My Computer and click Properties.
2. Click the Device Manager tab.
3. Select the USB controller object from the list displayed, and then click
Remove.
4. Close the Properties dialog box.
5. Physically remove the video camera from the computer.
6. Restart the computer.
7. During the boot process start the BIOS configuration routine.
8. Verify that USB support is enabled.
9. Exit the BIOS configuration program and start Windows 2000.
10. Once you have logged on, physically insert the camera into the USB port
located in the back of the computer.
At this time, Windows 2000 should automatically recognize the video
camera and install all relevant software drivers. You should now be able to
join an online video conference and have video capabilities.
When joining a video conference, the video display window is opened
but the video stream data is missing. What should I do?
If NetMeeting is currently running and communicating with a user using video
and that user "joins" a video conference, the video portion of the session will not
be displayed until the user closes NetMeeting and rejoins the conference. At
such time the video will be displayed properly.

When joining a conference, Internet Explorer becomes unresponsive.
How can I fix this?
Sometimes an unresponsive NetMeeting program can cause Internet Explorer to
become unresponsive too, when you attempt to join a conference. By using the
Windows Task Manager to end the Conf.exe task, users should be able to join
the conference.

What is the maximum number of active speakers I can have in a
conference?
Due to TAPI design, a maximum of five participants may speak within a
conference.