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<h1 class="topictitle1">VPN error: 3DES not a choice for encryption</h1>
<div><p>When you are working with an IKE policy transform, data policy transform, or a manual connection, the 3DES encryption algorithm is not a choice.</p>
<dl><dt class="dlterm">Symptom:</dt>
<dd>When working with an IKE policy transform, data policy transform, or a manual connection, the 3DES encryption algorithm is not a choice.</dd>
<dt class="dlterm">Possible resolution:</dt>
<dd>Most likely, you only have the Cryptographic Access Provider AC2 (5722-AC2) product installed on your system, and not Cryptographic Access Provider AC3 (5722-AC3). AC2 only allows for the Data Encryption
Standard (DES) encryption algorithm due to restrictions on key lengths.</dd>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajacommonerrors.htm" title="This information identifies the most common user errors and provides possible resolutions.">Common VPN configuration errors and how to fix them</a></div>
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