For those of you who have been using the Cisco AnyConnect client but have recently upgraded to Windows 7, make sure you've got the right AnyConnect client on your ASA.

Straight from the release notes:

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<p class="pB1_Body1">AnyConnect Client 2.4 runs on the following new platforms:</p>

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<p class="pBu1_Bullet1">•<img src="http://www.cisco.com/en/US/i/templates/blank.gif" border="0" alt="" width="19" height="2" /> Microsoft Windows 7 (32-bit and 64-bit).</p>

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<p class="pBu1_Bullet1">•<img src="http://www.cisco.com/en/US/i/templates/blank.gif" border="0" alt="" width="19" height="2" /> Mac OS X 10.6 and 10.6.1 (both 32-bit and 64-bit).</p>
<p class="pBu1_Bullet1">There are also some other items in the release notes to be aware of-- including requirements for a CLEAN install when upgrading from previous Operating Systems. The Release Notes can be found <a href="http://www.cisco.com/en/US/docs/security/vpn_client/anyconnect/anyconnect24/release/notes/anyconnect24rn.html#wp1043507" target="_blank">here</a></p>
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