SQL 2008 R2 Failover Cluster Installation failing due to errors or failures in verification report even though not the case

I am getting the below exception even though the validation of the cluster comes back fine, a couple of warnings but definitely no error. I have tried removing all the report related files but without success. At some point early on there actually were some errors which have been resolved and check out fine in the report now. I would assume a report re-run to overwrite any previous info but could it have some of it cached somewhere?

Exception type: Microsoft.SqlServer.Configuration.RulesEngineExtension.RulesEngineRuleFailureException
    Message:
        The cluster either has not been verified or there are errors or failures in the verification report. Refer to KB953748 or SQL Server Books Online for more information.
    Data:
      SQL.Setup.FailureCategory = RuleViolationFailure
      DisableWatson = true
    Stack:
        at Microsoft.SqlServer.Configuration.RulesEngineExtension.RunRulesAction.ExecuteAction(String actionId)
        at Microsoft.SqlServer.Chainer.Infrastructure.Action.Execute(String actionId, TextWriter errorStream)
        at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionInvocation.ExecuteActionHelper(TextWriter statusStream, ISequencedAction actionToRun)