A new knowledge base article has been published by VMware on a problem on Site Recovery Manager.
Refresh Inventory Mappings Can Make Display Unresponsive at Sites That Support More Than 7 ESX Hosts
In SRM 1.0 Update 1, when you are connected to a site that supports more than 7 ESX hosts and you refresh inventory mappings, the display becomes unresponsive for up to ten minutes.
This problem has been found in client version 1.01.1779. You can use the Windows Add or Remove Programs tool to verify the client version. In the list of Currently Installed Programs, click VMware Site Recovery Manager Plugin, and then click Click Here for Support Information .