How to determine what version of Exchange you have installed

Exchange 2007/2010

Step 1

Run the powershell command: get-exchangeserver (2007 / 2010)

Example: get-exchangeserver | ft name,admindisplayversion,exchangeversion

Use these link for more guidance if needed

Get the version, build and service pack level of Exchange.

Click here to determine the version for Exchange 2010…

Step 2

Reference the following links for complete build version information

Review this link for a complete limiting of build numbers and release dates for Exchange.

To get detailed information on Exchange 2007 platforms, editions and versions including Rollup information follow this link…

Exchange 2003

For information of determining your version information for Exchange 2003 using the registry click here…