Error running Distribution Monitor in Export Mode

Hi SAP Gurus,

I am doing a system export\import using distribution monitor.The preparation mode was successfully completed for Distribution Monitor.

Now when I am trying to run Distribution Monitor in export mode, it is throwing the below error.

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INFO: 2013-12-27 06:22:21

Execution of 'Test' started with: 'I:\usr\sap\MP4\DVEBMGS20\exe -testconnect -l R3load.log.1 '.

ERROR: 2013-12-27 06:22:21 com.sap.inst.distmon.TestConnect run

Execution of 'R3load Testconnect' failed.

Reason: 'java.io.IOException: Cannot run program "I:\usr\sap\MP4\DVEBMGS20\exe": CreateProcess error=5, Access is denied'.

Please check 'com.sap.inst.distmon.DistMonLogger@211d0a4f'.

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I am running distribution monitor through sidadm user and it has full authorizations.

OS --> Windows Server 2008

DB --> MSSQL 2008

ERP 6.0 EHP 6

Awaiting your suggestions.

Thanks & Regards

Sumit Prasad