1. Opening Serial Port Is Failed Skybox Tewksbury Pa

Make sure the correct com port is selected. Mar 21, 2013 Skybox M3 'opening serial port is failed' If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. I'm having problems with opening a serial port in C on Windows 7.

Hi.

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I am trying to connect to an Iogear GBS301 Bluetooth serial port from a built-in BT device in a Dell Inspiron 15R.

I can pair the BT serial port successfully, but when I try to connect to the port, I get an error. In this test, I am using Parallax Serial Terminal v1.2.4 available from <http://www.parallax.com/ProductInfo/Microcontrollers/PropellerGeneralInformation/PropellerMediaPage/tabid/832/Default.aspx> and I get a pop-up containing:

Aveva vantage pdms 12 sp43. 'Could not open port COM4. Access Denied. This port may already be in use by another device.'

when I connect to COM4, which is the BT SPP slave vitural port.

I don't know of any other process that may be using COM4. I have used SysInternals Process Explorer and handle.exe to search for 'COM4', 'device', and 'serial' (as I think COM4 will be listed as 'deviceserial04') and have found nothing. I don't know how else to find out what process may be using COM4.

I have also tried the suggestion from <http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/bluetooth-spp-com-port-access-is-denied-when-try/ebce8ad7-5a0f-4378-b576-dd75cbdb9f7b?tab=MoreHelp&auth=1> but I can only pair with the BT serial port is the service is started as 'Local Service', so the solution suggested does not seem to be applicable to my problem.

I have reviewed <http://answers.microsoft.com/en-us/windows/forum/windows_xp-networking/error-message-access-denied-in-dun-with-bluetooth/cc51a8f8-b69d-458e-8873-8d838ceb0b90?auth=1>, but it seems to be for WinXP and I'm not sure how to try it on a Win7 system.

I have tried moving the virtual com port to COM3 and get the same result.

I have tried running the serial terminal as Administrator and get the same result.

Under Device Manager -> Port (COM & LPT) -> COM4 -> Port Settings ->Advanced ->COM Port Number, the port _is_ listed as 'in use'.

So, has anyone ever got a Bluetooth serial port to work under Win7? Is so, how?

Does anyone have any suggestions on what I can try next?

Thanks - Shane

Opening Serial Port Is Failed Skybox Tewksbury Pa

2008-01-01

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