The Backup operation times out on starting the Backup through SnapCenter Plug-in for Exchange, as visible from the SMCore log: INFO SMCore_18910 PID=[13404] TID=[45] SmWebClient : Timeout set to 36000...The Backup operation times out on starting the Backup through SnapCenter Plug-in for Exchange, as visible from the SMCore log: INFO SMCore_18910 PID=[13404] TID=[45] SmWebClient : Timeout set to 3600000 INFO SMCore_18910 PID=[13404] TID=[45] SmWebClient : Connection Limit set to 1500 ERROR SMCore_18910 PID=[13404] TID=[45] Exception in method: InvokeXML. ERROR SMCore_18910 PID=[13404] TID=[45] ErrorCode (-1), ErrorMessage (The operation has timed out)