To enable webclient service on server 2008 we need to install desktop experience feature.

In earlier version of windows webclient service could be installed by enabling WebDAV component if IIS.

1. Start the Windows Server Manager.
2. In the tree view, highlight the Features node.
3. In the details pane, click Add Features.
4. In the Add Features Wizard, check the Desktop Experience box, and then click Next.
5. Click Install.
6. When the Add Features Wizard has finished, click Close.
7. Click Yes when promoted to restart the computer.

Thanks,
WintelAdmin