SharePoint 4.0: Locating or Verifying Farm Version Number

This post explains how to tell the version of a SharePoint 2010 server farm. In order to verify the complete farm, it is necessary to verify the version of DLLs as well as the Configuration Database.

A. Verify the version of DLLs.
Steps:
On each server where SharePoint 2010 is installed:
1. Open Windows Explorer.
2. Navigate to \Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\ISAPI
3. For each of the following DLLs, locate the file. Right-click the file > Properties > Details.
4. Note the version

OWSSVR.DLL (SharePoint Foundation)



Microsoft.SharePoint.dll (SharePoint Foundation)

Microsoft.SharePoint.Portal.dll (SharePoint Server)

B. Verify the version of the Configuration Database

Steps:

From SharePoint 2010 Central Administration:

1. Navigate to SharePoint 2010 Central Administration > System Settings > Manage servers in this farm.

2. Note the "Configuration database version."