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Is there a way to prevent Windows from remembering the network password after it connects? So that upon disconnecting Windows won't reconnect without re-entering password.

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You should associate your StackOverflow and SuperUser accounts. –  SLaks Dec 28 '09 at 21:52
    
woops my bad i'm new at this (clearly). -poop –  poop Dec 28 '09 at 21:52
    
BlueNovember meant ( superuser.com/questions/88668/… ) –  Michael Todd Dec 28 '09 at 21:59
    
This can occur when Windows errors on connecting to a wireless network by saying: Windows cannot connect to wireless network. I fixed it by following one of the answers below to remove the wireless network in question. –  Hengjie Jan 25 at 3:06

4 Answers 4

To delete wireless networks in Vista, go to Control Panel, Network and Sharing Center, under Tasks click Manage Wireless Networks.

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Delete the networks you don't want to be stored (right click > Remove Network).

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i dont want it so that i can simply reconnect w/o having to input the password.

The next time you connect to a wireless network, simply clear the box Save this network and the details will not be stored.

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what if i want it to always delete it...not just by manual means. i.e. i'm trying to restrict my usage of internet by giving someone else password. i can only use internet if i get password from them, but when i disconnect, my "session" is done. i dont want it so that i can simply reconnect w/o having to input the password. –  poop Dec 28 '09 at 21:49
    
btw ur suggestion doesn't work... –  poop Dec 28 '09 at 21:50
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do you mean wireless networks? and which Windows version are you using? –  Molly7244 Dec 28 '09 at 21:54
    
wireless networks, yes. windows vista. –  poop Dec 28 '09 at 21:55
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watch for multiple copies of the same network (presumably from when the passwords were changed in the past). I had to delete a second copy of the network hidden at the end of the list before this worked –  Matthew Lock Feb 26 '13 at 5:35

For XP and below see Wil's answer.

For Vista/Windows7;

Control Panel
Network and Sharing Centre
Manage Wireless Networks
<Delete network>
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+1, don't know why I wrote that, I just assumed he was using XP :S... I won't add your answer to mine, but I will just edit to say XP only, and say that the Nirsoft program works with all. –  William Hilsum Dec 28 '09 at 22:12
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"I won't add your answer to mine" ... now, that is very nice of you :) –  Molly7244 Dec 28 '09 at 22:56

Run "Credential Manager" (Start > type its name and choose in the filtered list ( for vista, 7)). Remove the corresponding credentials you need from the credentials list. Or Control Panel -> User Accounts -> Manage Your Credentials. Or Control Panel -> Credential Manager.

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I know the other answerers are answering a different question, but this is the answer I came here looking for! Thankyou! –  PriceChild Mar 22 '12 at 15:16

Yes, there are a few ways.

First, from an elevated (Windows Vista and 7) command prompt type:

Net use * /delete

Next, if the password is cached, go to Start > Run and type control userpasswords2, you should be able to click on the Advanced tab and then click on the Manage Passwords button to delete.

Alternatively you can use Nirsoft Network Password Recovery and delete any saved password from there.

EDIT

Seen you have said you want to delete wireless keys, not Windows network keys.

For Windows XP, simply go to "Network Connections" and right click your Wireless card, look for the middle tab Wireless Networks and under preferred networks, simply press delete on the correct one.

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For Windows Vista and 7, BlueNovember wrote the correct way of doing it.

Also, Nirsoft again make a good tool the works on all Windows versions., Nirsoft Wireless Key View

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I've found that you need to remove the old wireless keys from the registry. I've outlined it here: superuser.com/a/665877/7018 –  Matthew Lock Oct 27 '13 at 5:34

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