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<updated>2015-11-24T10:37:50+01:00</updated>

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<id>https://forum.yubico.com/feed.php?f=30&amp;t=2105</id>
<entry>
<author><name><![CDATA[smcgeeak]]></name></author>
<updated>2015-11-24T10:37:50+01:00</updated>
<published>2015-11-24T10:37:50+01:00</published>
<id>https://forum.yubico.com/viewtopic.php?t=2105&amp;p=8012#p8012</id>
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<title type="html"><![CDATA[[Q?] My Yubikey's light stays on constantly. Did I break it?]]></title>

<content type="html" xml:base="https://forum.yubico.com/viewtopic.php?t=2105&amp;p=8012#p8012"><![CDATA[
I think I screwed up my Yubikey. I was poking around in the Personalization Tool, and here's what I did:<br /><br />1) On the <strong><em>Settings </em></strong>page, I clicked the <strong><em>Update Settings...</em></strong> button.<br />2) Then I clicked on the button for <strong><em>Configuration Slot 1</em></strong>.<br />3) Then clicked the <strong><em>Update</em></strong> button.<br /><br />I then got a file browser window directing me to select a Log file (in csv format). At this point I had no idea what log file it wanted me to specify, so I just canceled the operation. This put me back on the <strong><em>Settings</em></strong> &gt; <strong><em>Update Yubikey Settings</em></strong> page in the Personalization Tool. Then I just exited out of the tool.<br /><br />After that, I noticed that the light on my Yubikey stays on, whereas before I did the stuff listed above, the light was normally off when the key was plugged into a USB port. Additionally, the Yubikey authentication failed when trying to log into my Lastpass account.<br /><br />So to fix the authentication failure, I got back into the Personalization Tool and did the following:<br /><br />1) Clicked <strong><em>Yubico OTP</em></strong> at the top of the window.<br />2) Clicked the <strong><em>Quick </em></strong>button.<br />3) Clicked on the button for <strong><em>Configuration Slot 1</em></strong>.<br />4) Clicked the <strong><em>Regenerate </em></strong>button.<br />5) Clicked the <strong><em>Write Configuration</em></strong> button and specified an output csv file.<br />6) Clicked the <strong><em>Upload to Yubico</em></strong> button and followed the instructions on the web page to upload the AES key.<br />7) The AES key upload was successful.<br /><br />After reconfiguring Slot 1, the Yubikey can now successfully log into Lastpass. However, the light now stays on constantly. It didn't do that before I started messing with it. I have two other Yubikeys (the ones I have are the red, green, and white Yubikeys that were sold as a bundle), and these two other keys do not have the light lit up after they are plugged into a USB port. They flash the light once when first plugged in, but then the light goes out. This is the normal behavior.<br /><br />So here's my question:<br />Why does the light stay on constantly on the key that I messed with? Is this a problem? It still works successfully when logging into my Lastpass account, but the constantly-on light concerns me, as it didn't exhibit that behavior originally. So clearly, something I did has caused it to stay on.<br /><br />Ideas?<br /><br />P.S. I've attached a screenshot (below) of the Personalization Tool which shows the Yubikey in question.<br />Yubikey.jpg<p>Statistics: Posted by <a href="https://forum.yubico.com/memberlist.php?mode=viewprofile&amp;u=4048">smcgeeak</a> — Tue Nov 24, 2015 10:37 am</p><hr />
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