Unable To Open The Com1 Serial Port Access Is Denied
We have devices set up on specified comm ports. I removed every fax, mobile phone or PDA program I could find on the hard drive thinking one of these programs was holding the ports open. We're not talking about Linux... Two brothers, two watches Why is the oil light on in my new Honda Pilot after 4000 miles? have a peek here
asp.net share|improve this question edited Jan 16 '12 at 19:13 user7116 48.2k12101147 asked Jul 20 '09 at 13:23 user140003 29124 add a comment| 5 Answers 5 active oldest votes up vote Note that the error message seen when a printer (driver) is connected to the COM port is different than the message you would see if some other serial application were already So, when I put the mobile device onto COM3, COM1 was released and I was able to access it. Home Company Overview News and Events Contact Us How to Buy HomeSeer Online Store HomeSeer Distributor Support Downloads HS3 Online Help Files HS3 Developer Kit (SDK) Help Files Manuals and Documentation
Unable To Open Connection To Com1 Unable To Open Serial Port
Are you logged in as an administrator? It sounds like an application in your startup is grabbing the logical port(s) and opening it (at the OS level and not hardware). If you have a real serial port it's usually com 1. That worked.
I'm not 100% sure if its an interesting thing, but since the error comes instantaneously when creating the serial port it investigated it a little. Collaborator jacobrosenthal commented Mar 2, 2015 This may or may not be your problem, but In my case you cant open a port thats trying to open. See More 1 2 3 4 5 Overall Rating: 5 (2 ratings) Log in or register to post comments Dennis Mink Mon, 01/31/2011 - 17:00 make sure your USB-Serial is supported Unable To Open Connection To Com1 Putty Windows 7 I am running Homeseer.
Scaling up water for cooking soup Hardware for reading a large number of analog inputs? Unable To Open Connection To Com1 Unable To Open Serial Port Putty Microsoft is providing this information as a convenience to you. Edit: I did muck things up, I solved the issue of it not allowing me to close and reopen, however refreshing the application still breaks it. See More 1 2 3 4 5 Overall Rating: 0 (0 ratings) Log in or register to post comments ActionsThis Discussion 2 Votes Follow Shortcut Abuse PDF Related Content Show -
I’m out of ideas, anybody else have this issue? Unable To Open Com Port Please Check Your Port Settings try to replace your console cable - maybe it's broken6. Privacy statement © 2016 Microsoft. Then guess what reply Windows is going come back with to the software making that request? ...."Error Will Robinson...
Unable To Open Connection To Com1 Unable To Open Serial Port Putty
So try these alternate IRQ settings and ensure the "baud" speed of the comport matches the device "baud" rate speed so there are no "data accidents" occurring from incompatible speeds in look for (Ports COM & LPT) and expand it. Unable To Open Connection To Com1 Unable To Open Serial Port I then go back to see what the settings are. Unable To Open Com Port Windows 7 So for example if COM 2 is using IRQ 2 or 4 you may find those IRQ's may "also" be used by your sound card or other device in your PC.
did as you said. navigate here This will allow for split permissions and controlled single access to the COM port. Are you using a physical COM port or an adapter? share|improve this answer answered Jul 20 '09 at 13:51 R Ubben 2,086127 add a comment| up vote 1 down vote There's probably something else using COM1 (auto sync programs tend to Failed To Open Com Port Sp Flash Tool
rtb09-26-2011, 08:11 AMHi MZN, Thanks for reporting this problem. They said it does not. Two of the most common are using other devices to access your email and stored passwords in the credential manager of windows. Check This Out Does this definition of a set make sense?
purtech Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 September 2007 Location: United States Status: Offline Points: 7 Post Options Post Reply Quotepurtech Report Unable To Open Connection To Com3 Unable To Open Serial Port Find all posts by Rupp #14 January 11th, 2011, 12:22 PM russellwmcconnell Seer Join Date: Nov 2007 Location: Peoria, AZ Posts: 16 No russellwmcconnell View Public Profile Find Sincerely, Leo Liu Leo Liu [MSFT] MSDN Community Support | Feedback to us Get or Request Code Sample from Microsoft Please remember to mark the replies as answers if they help
Notably missing from the new interface is a Start button and Start Menu.
That got me thinking... It sounds like an application in your startup is grabbing the logical port(s) and opening it (at the OS level and not hardware). Find all posts by Rupp #11 January 6th, 2011, 02:42 PM russellwmcconnell Seer Join Date: Nov 2007 Location: Peoria, AZ Posts: 16 Where to start? Com1 Port Not Working Windows 7 Hopefully you didn’t pay the ridiculous price that Icom wants for the C-17, there is a number of aftermarket ones that work fine for about $13.00 shipped to your door available
Fax software or a modem could have it open, or you could have left it open yourself. Terms Privacy Security Status Help You can't perform that action at this time. I installed the driver on my HD like normal and let it extract to its default location. http://cleantechinnvest.com/to-open/unable-to-open-serial-port-com1-windows-7.html The time now is 10:54 PM.
corelgott commented Apr 1, 2015 Hi @ all, I'm currently stuck on the "Access denied"-problem on a win7 x64. It has changed to IRQ 07. Find all posts by Rupp #9 December 31st, 2010, 06:20 PM russellwmcconnell Seer Join Date: Nov 2007 Location: Peoria, AZ Posts: 16 I purchased the Trendnet TU-S9 USB A call to System._ComObject.GetWeight failed with this message.
When you call open you get an error as it's already open. So if you get this error, don't call open or tell the port not to open immediately. rlemon commented Jan 7, 2015 I have hit this issue today. russellwmcconnell View Public Profile Find all posts by russellwmcconnell #4 December 13th, 2010, 01:32 PM Rupp OverSeer Join Date: Jan 2001 Location: Huntsville, Al.
Some applications (such as Adobe PDF related software) also create virtual printer devices which can be associated with COM ports by default, leading to the problem you are seeing.