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Interactive services detection

by cag8f / January 2, 2011 8:36 AM PST

I am trying to send a message from my Win XP Pro 32 bit machine to my Win 7 Pro 64 bit machine. However Interactive Services Detection is holding up the message until I respond to a prompt (Something like "Do you want to view the message?"). But when I disable Interactive Services Detection on the Win 7 machine, I don't receive the message at all. Is there a way to receive the intended message, but without the Interactive Services Detection prompt?

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by R. Proffitt Forum moderator / January 2, 2011 9:47 AM PST
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by cag8f / January 2, 2011 11:33 AM PST
In reply to: Ouch.

I saw that post, but didn't quite understand what the one poster was saying about Win 7. In discussing interactive services detection, he says, "In Win 7 you won't see anything cause it is blocked." Both that statement, and the one you quoted ("Microsoft no longer permits services running under System to interact with users.") imply that I should not be able to display a message on my Win 7 machine from my XP machine *at all.* But in practice that is not entirely true. I *can* display a message on the Win 7 machine, I just need to go through a Windows prompt beforehand (the interactive services detection prompt). I am trying to display the message without any Windows prompt.

If I cannot display my message without any Windows prompt, as a Windows novice, is there any way I can get around this? I basically want to transmit a "yes" or "no" to my Win 7 machine from my XP machine.

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I have to write no.
by R. Proffitt Forum moderator / January 2, 2011 11:50 AM PST
In reply to: Thanks

Even if you could, you would have found a security glitch and they would fix it later.

The article is a bit short so I left it as-is and hoped to hear more about your apps that you are sending and receiving messages.


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Still unclear
by cag8f / January 2, 2011 1:13 PM PST
In reply to: I have to write no.

I'm still a little unclear. Are you saying there is absolutely no way to send a message to my Win 7 machine, or no way to send a message *without a Windows prompt?*

From my Win XP machine, I am using psexec to run a simple exe on my Win 7 machine. The exe (housed on the Win 7 machine and which I created with autoit) displays a dialogue box with some text and a button that reads "OK." When I run the exe via psexec, I get the interactive services detection prompt. After I answer affirmatively to its prompts, I then see the dialogue box in question.

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by R. Proffitt Forum moderator / January 2, 2011 1:29 PM PST
In reply to: Still unclear
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Yes that's me
by cag8f / January 2, 2011 3:17 PM PST
In reply to: Ahh.

Thanks for your help. This problem is related, but not exactly the same as my other post.

1. I know I sent (and received) the message. I was just trying to ascertain whether you were trying to tell me it was not feasible.

2. As I said in the original post, I already tried disabling the interactive services detection service. That resulted in no message sent at all, instead of the intended message + interactive services detection prompts.

My goal is to start an application on my desktop (located in a room far far away), walk away from it, and have it send a message to my laptop screen (located right next to me) when finished. Yes I get the message, but not after going through two additional screens due to Windows notifications. I'm merely wondering if I can eliminate those two additional screens. Bear with me as I'm not a Windows black belt.

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You're close.
by R. Proffitt Forum moderator / January 3, 2011 1:10 AM PST
In reply to: Yes that's me

So backing up to what you want, a message on screen, did you look at MSG and NET SEND and the discussions about that?

This is why I'd skip all that and just craft my own solution. I would not use any psexec or rsh or such because I would wade directly into the security changes and issues. is how I'd approach this problem. Now that I have my little server waiting for messages on my selected tcpip port and since that is executing in my own sandbox I would not be running afoul of the new security rules.

--> Let me restate this but be aware that to explain the new security would be a chapter in a book so I have to be shorter than that.
"Microsoft no longer permits services running under System to interact with users." is correct. The interactive services detection is a go between or shim to allow such and not break the rules. <--

Bottomline? I'd use other common methods. The little server is my choice but there are much simpler polling methods that work too.

For example, if the file system is shared a batch file can run and check for the message on the remote message every so many seconds. Fast and easy to write.

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by cag8f / January 3, 2011 4:11 AM PST
In reply to: You're close.

OK I understand now. Thanks for being patient. I will look into the other methods, but I think they may be a bit over my head.

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The old file as a message is
by R. Proffitt Forum moderator / January 3, 2011 4:30 AM PST
In reply to: Gotcha

Not hard to do. Even a batch file can do it with an app (I'd use the free visual studio versions to create it) is still something a beginner programmer can do.

The psuedo code looks like

- is there a file called "message.txt"?
- if so, show that file content in a MsgBox()
- if not, sleep then loop.


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by cag8f / January 3, 2011 5:43 AM PST

It appears that msg.exe will do what I want, but I'll keep your ideas in mind.

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