Ubi30 Login Failure

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<title>IIS 8.5 Detailed Error - 503.2 - Service Unavailable</title>
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  <h3>HTTP Error 503.2 - Service Unavailable</h3>
  <h4>The serverRuntime@appConcurrentRequestLimit setting is being exceeded.</h4>
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 <fieldset><h4>Most likely causes:</h4>
  <ul>  <li>Setting is too low.</li>    <li>The application is taking too long for the current load.</li> </ul>
 </fieldset>
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 <fieldset><h4>Things you can try:</h4>
  <ul>  <li>Try increasing the value of the setting.</li>   <li>Check that external resources (for example, disk, database, etc..) are performing at expected levels.</li>  <li>Check that the application has not deadlocked.</li> </ul>
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 <fieldset><h4>Detailed Error Information:</h4>
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    <tr class="alt"><th>Module</th><td>&nbsp;&nbsp;&nbsp;IIS Web Core</td></tr>
    <tr><th>Notification</th><td>&nbsp;&nbsp;&nbsp;BeginRequest</td></tr>
    <tr class="alt"><th>Handler</th><td>&nbsp;&nbsp;&nbsp;ExtensionlessUrlHandler-Integrated-4.0</td></tr>
    <tr><th>Error Code</th><td>&nbsp;&nbsp;&nbsp;0x00000000</td></tr>

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  <div id="details-right">
   <table border="0" cellpadding="0" cellspacing="0">
    <tr class="alt"><th>Requested URL</th><td>&nbsp;&nbsp;&nbsp;http://identityservice.ubi.com:80/api/v2/users/9588f2dd-37b9-45fe-9503-ca2aa9d949fb?_=1481134723912</td></tr>
    <tr><th>Physical Path</th><td>&nbsp;&nbsp;&nbsp;D:\inetpub\identityservice.ubi.com\api\v2\users\9588f2dd-37b9-45fe-9503-ca2aa9d949fb</td></tr>
    <tr class="alt"><th>Logon Method</th><td>&nbsp;&nbsp;&nbsp;Not yet determined</td></tr>
    <tr><th>Logon User</th><td>&nbsp;&nbsp;&nbsp;Not yet determined</td></tr>

   </table>
   <div class="clear"></div>
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 </fieldset>
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 <fieldset><h4>More Information:</h4>
  IIS will not allow more concurrent requests to an application than the serverRuntime@appConcurrentRequestLimit setting permits.
  <p><a href="http://go.microsoft.com/fwlink/?LinkID=62293&amp;IIS70Error=503,2,0x00000000,9600">View more information &raquo;</a></p>

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