How to reinstall vSphere Web Client plug-in for Veeam ...
https://www.veeam.com/kb184923.01.2014 · In Veeam Backup Enterprise Manager, go to the vCenter Servers section of the Configuration view. Select the vCenter server you need and click Check version. If a connection to vCenter server was a success, and the plug-in is installed in vSphere Web Client, the Remove link will become active. Click the link to uninstall the plug-in.
KB1849: How to reinstall vSphere Web Client plug-in for Veeam ...
www.veeam.com › kb1849Jan 23, 2014 · In case of vCenter Server on Microsoft Windows Server, log in to the OS and remove all files and folders that contain veeam in their names from the %programdata%\vmware and %programfiles%\vmware folders. Install the plug-in once again. For details, see the Installing vSphere Web Client Plug-in section in the Veeam Backup Enterprise Manager Guide.