I can't choose On the <strong>Select Installation Type</strong> page, option <strong>Create a new HPC cluster by creating a head node.</strong> Can select only one option <b>Install only the client utilities</b>. but I install AD and DNS Server on Master Node . Why on master node can't select option <strong>Create a new HPC cluster by creating a head node. <br></strong>© 2009 Microsoft Corporation. All rights reserved.Wed, 17 Jun 2009 16:50:35 Zc186f8ef-64b9-434c-b58b-7c3996114436http://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#c186f8ef-64b9-434c-b58b-7c3996114436http://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#c186f8ef-64b9-434c-b58b-7c3996114436bushido01http://social.microsoft.com/Profile/en-US/?user=bushido01I can't choose On the <strong>Select Installation Type</strong> page, option <strong>Create a new HPC cluster by creating a head node.</strong> Can select only one option <b>Install only the client utilities</b>. but I install AD and DNS Server on Master Node . Why on master node can't select option <strong>Create a new HPC cluster by creating a head node. <br></strong>Wed, 29 Oct 2008 03:57:16 Z2008-10-29T03:57:16Zhttp://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#56161874-d931-4d4e-9df5-9bc17f9082cbhttp://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#56161874-d931-4d4e-9df5-9bc17f9082cbJosh Barnardhttp://social.microsoft.com/Profile/en-US/?user=Josh%20Barnard<p>Head Nodes and Compute Nodes must be running an x64 version of Windows Server 2008; if you're running the install on a machine that does't meet this criteria (e.g. one with a 32-bit OS) these option will be disabled.</p><hr class="sig">-JoshWed, 25 Mar 2009 20:22:35 Z2009-03-25T20:22:35Zhttp://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#1daee5c6-0cd0-4216-a326-da9a152ffb37http://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#1daee5c6-0cd0-4216-a326-da9a152ffb37Roland Waschtohttp://social.microsoft.com/Profile/en-US/?user=Roland%20WaschtoHello Josh,<br/>I got same troubles but I do have 64-bit OS and Processor is Intel Core 2 Duo CPU.<br/>Any suggestions?<br/>Thanks<br/>Roland <hr class=sig> RWWed, 10 Jun 2009 17:32:50 Z2009-06-11T06:52:26Zhttp://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#ccb0f482-3b03-4ed1-b5cb-e79364e1a200http://social.microsoft.com/Forums/en-US/windowshpcbeta/thread/c186f8ef-64b9-434c-b58b-7c3996114436#ccb0f482-3b03-4ed1-b5cb-e79364e1a200Roland Waschtohttp://social.microsoft.com/Profile/en-US/?user=Roland%20WaschtoVery simple,<br/>install Windows Server 2008 R2 and it will work.<br/>Roland<hr class="sig">RWWed, 17 Jun 2009 16:50:35 Z2009-06-17T16:50:35Z