SCCM2012 sp1 SMS_EXCHANGE Connector error

I am receiving an error while adding a new Exchange connector in My SCCM 2012 sp1 server. Please help to resolve this issue.

ConfigMgr Error Object:
instance of SMS_ExtendedStatus
{
    Description = "ERROR ON Property Convert";
    ErrorCode = 0;
    File = "e:\\nts_sccm_release\\sms\\siteserver\\sdk_provider\\smsprov\\sspsitesettingitem.cpp";
    Line = 1028;
    Operation = "ExecQuery";
    ParameterInfo = "SELECT * FROM SMS_SCI_SCPropertyList WHERE ItemType = 'SMS_EXCHANGE_CONNECTOR' AND PropertyListName like 'ConnectorConfig_%'";
    ProviderName = "WinMgmt";
    StatusCode = 2147749917;
};

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Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlQueryException
The SMS Provider reported an error.


Stack Trace:
   at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlQueryResultsObject.<GetEnumerator>d__0.MoveNext()
   at Microsoft.ConfigurationManagement.AdminConsole.ExchangeConnector.ConnectionPageControl.GetExistingExchanges()
   at Microsoft.ConfigurationManagement.AdminConsole.ExchangeConnector.ConnectionPageControl.InitializePageControl()
   at Microsoft.ConfigurationManagement.AdminConsole.SmsWizardPage.Initialize()

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System.Management.ManagementException
Unexpected error


Stack Trace:
   at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlQueryResultsObject.<GetEnumerator>d__0.MoveNext()
   at Microsoft.ConfigurationManagement.AdminConsole.ExchangeConnector.ConnectionPageControl.GetExistingExchanges()
   at Microsoft.ConfigurationManagement.AdminConsole.ExchangeConnector.ConnectionPageControl.InitializePageControl()
   at Microsoft.ConfigurationManagement.AdminConsole.SmsWizardPage.Initialize()

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