<div dir="ltr">I was able to solve the problem and I had posted answer <a href="https://ask.openstack.org/en/question/46486/heat-create-failed-bad-network-format-missing-uuid-http-400/">here</a>. </div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Wed, Sep 3, 2014 at 3:25 PM, Khayam Gondal <span dir="ltr"><<a href="mailto:khayam.gondal@gmail.com" target="_blank">khayam.gondal@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I already tried with Network Name but still no luck </div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Sep 3, 2014 at 1:32 PM, ZHOU TAO A <span dir="ltr"><<a href="mailto:tao.a.zhou@alcatel-lucent.com" target="_blank">tao.a.zhou@alcatel-lucent.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    Try with the network name rather than its ID.<div><br>
    <div>On 09/03/2014 02:54 PM,
      <a href="mailto:khayam.gondal@gmail.com" target="_blank">khayam.gondal@gmail.com</a> wrote:<br>
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          <div><div>
            <p style="font:14px/1.4 "Helvetica Neue",Arial,Helvetica,sans-serif;margin:0px 0px 14px;padding:0px 5px 5px 0px;border:black;color:rgb(75,75,75);text-transform:none;text-indent:0px;letter-spacing:normal;word-spacing:0px;white-space:normal;font-size-adjust:none;font-stretch:normal;background-color:rgb(255,255,255)">

I am using
              following template to create a Heat Stack.</p>
            <br>
            </div><pre style="font:12.02px/18px Menlo,Monaco,"Courier New",monospace;margin:0px 0px 18px;padding:2px;border-radius:4px;border:1px solid rgb(136,136,136);color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;clear:both;word-spacing:0px;display:block;white-space:pre-wrap;font-size-adjust:none;font-stretch:normal;background-color:rgb(245,245,245)">
<code style="padding:0px;border-radius:3px;border:0px black;color:inherit;clear:both;font-family:Menlo,Monaco,"Courier New",monospace;font-size:12px;background-color:transparent"><span style="color:rgb(0,0,0)">heat_template_version</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(0,102,102)">2013<
/span><span style="color:rgb(102,102,0)">-</span><span style="color:rgb(0,102,102)">05</span><span style="color:rgb(102,102,0)">-</span><span style="color:rgb(0,102,102)">23</span><div><div><span style="color:rgb(0,0,0)">

    description</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">Hot</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">Template</span><span style="color:rgb(0,0,0)"> to deploy a single server

    parameters</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
      </span><span style="color:rgb(102,0,102)">ImageID</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
        type</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(0,0,136)">string</span><span style="color:rgb(0,0,0)">
        description</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">Image</span><span style="color:rgb(0,0,0)"> ID
      </span><span style="color:rgb(102,0,102)">NetID</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
        type</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(0,0,136)">string</span><span style="color:rgb(0,0,0)">
        description</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">External</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">Network</span><span style="color:rgb(0,0,0)"> ID

    resources</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
      server_0</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
        type</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> OS</span><span style="color:rgb(102,102,0)">::</span><span style="color:rgb(102,0,102)">Nova</span><span style="color:rgb(102,102,0)">::</span><span style="color:rgb(102,0,102)">Server</span><span style="color:rgb(0,0,0)">
        properties</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
          name</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(0,136,0)">"server0"</span><span style="color:rgb(0,0,0)">
          image</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">{</span><span style="color:rgb(0,0,0)"> get_param</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">ImageID</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">}</span><span style="color:rgb(0,0,0)">
          flavor</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(0,136,0)">"m1.small"</span><span style="color:rgb(0,0,0)">
          networks</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
          </span><span style="color:rgb(102,102,0)">-</span><span style="color:rgb(0,0,0)"> network</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">{</span><span style="color:rgb(0,0,0)"> get_param</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,0,102)">NetID</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">}</span><span style="color:rgb(0,0,0)">

    outputs</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
      server0_ip</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)">
        description</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> IP of the server
        value</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">{</span><span style="color:rgb(0,0,0)"> get_attr</span><span style="color:rgb(102,102,0)">:</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">[</span><span style="color:rgb(0,0,0)"> server_0</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,0,0)"> first_address </span><span style="color:rgb(102,102,0)">]</span><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(102,102,0)">}</span></div>

</div></span></code></pre><div><div>
            <pre><span style="font:14px/19.6px "Helvetica Neue",Arial,Helvetica,sans-serif;color:rgb(75,75,75);text-transform:none;text-indent:0px;letter-spacing:normal;word-spacing:0px;float:none;display:inline!important;white-space:normal;font-size-adjust:none;font-stretch:normal;background-color:rgb(255,255,255)"><span><font color="#000000" face="Courier New" size="3">When I create stack. It shows create failed status. <strong>BadRequest: Bad network format: missing 'uuid' (HTTP 400) (Request-ID: req-c8360423-e597-495e-9b36-0158177ccd1a)</strong>. I also attached the snapshot of error.</font></span></span></pre>


          </div></div></div><div><div>
          <div><span>P.S : I checked and
              double checked the Network ID and Image ID but error
              remains. heat logs shows same error<span> </span></span><strong style="font:bold 14px/19.6px "Helvetica Neue",Arial,Helvetica,sans-serif;color:rgb(75,75,75);text-transform:none;text-indent:0px;letter-spacing:normal;word-spacing:0px;white-space:normal;font-size-adjust:none;font-stretch:normal;background-color:rgb(255,255,255)">heat.engine.resource
              BadRequest: Bad network format: missing 'uuid' (HTTP 400).</strong></div>
          <div><font color="#4b4b4b" face="Arial Bold">I had also <a href="https://ask.openstack.org/en/question/46486/heat-create-failed-bad-network-format-missing-uuid-http-400/https://ask.openstack.org/en/question/46486/heat-create-failed-bad-network-format-missing-uuid-http-400/" target="_blank">asked </a>at <a href="http://ask.openstack.org" target="_blank">ask.openstack.org</a> but
              still have no answers.</font><br>
          </div>
        </div></div></div>
      </div>
      <br>
      <fieldset></fieldset>
      <br>
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</pre>
    </blockquote>
    <br>
  </div>

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