How to determine the version number, the build number, and the service pack level of Exchange Server

To determine the version number, the build number, and the service pack level of a Microsoft Exchange Server computer, check the properties of the server.

To view the server properties of a computer that is running Exchange Server 4.0, Exchange Server 5.0, or Exchange Server 5.5, follow these steps:

1. Start the Microsoft Exchange Administrator program.
2. In the left pane, expand the objects until you locate the server object, and then click the server object.
3. On the File menu, click Properties.

To view the server properties of a Microsoft Exchange 2000 Server computer or of a Microsoft Exchange Server 2003 computer, follow these steps:

1. Start the Microsoft Exchange Administrator program.
2. In the left pane, expand the objects until you locate the server object.
3. Right-click the server object, and then click Properties.

For additional information about Exchange Server version numbers and build numbers, click the following article number to view the article in the Microsoft Knowledge Base: For additional information about Exchange Server version numbers and build numbers, click the article number below to view the article in the Microsoft Knowledge Base: 158530 Build numbers and release dates for Exchange Server.