Go to Dell.com/support/manuals for the following list of documents for vSphere web client:
OpenManage Integration for VMware vCenter Version 4.0 Web Client User’s Guide
OpenManage Integration for VMware vCenter Version 4.0 Web Client Installation Guide
OpenManage Integration for VMware vCenter Version 4.0 Release Notes
OpenManage Integration for VMware vCenter Version 4.0 Compatibility Matrix