How to Detect Modem Port through Windows Service in 64 bit computer

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Dear Friends,

Here i developed a windows service for Sending and Receving the Sms through Modem.For this i written a windows service and its working fine in 32 bit computer but the Same service in 64 bit computer its not working.And the Problem is in 64 bit the service is unable to detect the Modem port where iam doing the Mistake iam not getting.If any Information please share with me.Exception is:Unable to open port COM4: Unable to open COM4
The process cannot access the file because it is being used by another process.This Exception is coming for 64 bit Computer.Same Functionality working fine for 32 bit computer.

Regards,
Sravanthi

Posted 15-Aug-12 20:50pm

Sravanthid28

Updated 15-Aug-12 21:01pm

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[no name] 16-Aug-12 12:40pm

The error is perfectly clear. Something else is using that port.

Sravanthid28 16-Aug-12 23:29pm

Yes its Using But I dont Know why its happening to 64 bit computer same functionality its working fine in 32 bit.If any Information please share with me.

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