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With the adapter connected, open Device manager and expand Ports. Double-click on the device to open properties.<br />
<br />
Select the Port Settings tab<br />
click on Advanced.<br />
In the dropdown box, select COM1 as the port you want to assign the device to.<br />
Click on ok/apply<br />

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With the adapter connected, open Device manager and expand Ports. Double-click on the device to open properties.

Select the Port Settings tab
click on Advanced.
In the dropdown box, select COM1 as the port you want to assign the device to.
Click on ok/apply


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We've had similar issues. &nbsp;Basically, do what flubbster said above, however you may need to do this each time you move the adapter to a different USB port. &nbsp;In the past, our adapters seem to have wanted to switch ports everytime a different USB port was used.
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We've had similar issues.  Basically, do what flubbster said above, however you may need to do this each time you move the adapter to a different USB port.  In the past, our adapters seem to have wanted to switch ports everytime a different USB port was used.

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In XP Home edition, how can I change COM port from COM5 to COM1 or COM2? &nbsp;My user has a netbook with XP Home installed, he is using a USB to Serial adapter for a serial device but the COM port value is randomly changed every time he start the netbook, he is asking me how to configure a static COM port number for this adapter?
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In XP Home edition, how can I change COM port from COM5 to COM1 or COM2?  My user has a netbook with XP Home installed, he is using a USB to Serial adapter for a serial device but the COM port value is randomly changed every time he start the netbook, he is asking me how to configure a static COM port number for this adapter?

How to change COM port number in XP home edition?

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.