Exchange Server 2003 Solution Center

Exchange 2000 Server and Exchange Server 2003 setup and installation top support issues
Describes some of the more common setup and installation issues that are encountered with Exchange Server 2003 and Exchange 2000 Server.
Description of the KnownContentTypes registry entry for Outlook Web Access in Exchange Server 2003 Service Pack 1
Describes the KnownContentTypes registry entry that is added when you install Exchange Server 2003 SP1. The registry entry restricts the kind of attachment file types that certain versions of Internet Explorer can open when you use Outlook Web Access.
How to Set Up the Migration Wizard
This article discusses some migration concepts and describes how to set up the Migration Wizard and how to migrate users.

Error message when you use Exchange System Manager to access the Templates tab or the MS-DOS Templates tab in a template's properties: "An Invalid ADSI pathname was passed"
Describes a problem in which Exchange System Manager returns an error message when it accesses the Templates tab or MS-DOS Templates tab of the Properties dialog box for a template. Provides a hotfix and a workaround.
Error message when you run the Eseutil command to determine the amount of free space in a database file in Exchange Server 2003 Service Pack 2 or in Exchange Server 2003 Service Pack 1: "Usage error: Source database has no streaming file"
Describes an error message that you receive when you run the Eseutil command by using the /ms and /s switches in Exchange Server 2003 SP2 or Exchange Server 2003 SP1. Also describes a hotfix.
The recipient does not receive an attachment when an RTF e-mail message is delivered though an Exchange Server 2003 bridgehead server
Describes that the recipient may not receive the attachment when a rich text format e-mail is delivered through an Exchange Server 2003 bridgehead server. To resolve this issue, you can install a hotfix.

Exchange Setup does not work because of a COM+ issue and error code 0xc103798a
If you install Exchange 2000 Server or Exchange Server 2003, or apply an Exchange 2000 service pack, Setup may not work, and you may receive the following error message: The Exchange 2000 Setup Progress log may contain either: A series of time-outs:...
Error message when you prepare an Active Directory forest for Exchange Server 2003: "Extending the schema in Active Directory failed"
Describes an issue that may occur when a third-party program that extends the Active Directory schema is installed in the domain. To work around this issue, modify the Exchange attributes to use different link identifiers.
Manual Schema Changes Are Lost When You Apply Exchange Server 2003 Schema over Exchange 2000 Server Schema
When you apply the Exchange Server 2003 schema over an existing Microsoft Exchange 2000 Server schema, any manual changes that were made previously to the Exchange 2000 schema are lost.