Index: branches/5.1.x/core/install/step_templates/db_config.tpl
===================================================================
diff -u -N -r12657 -r14113
--- branches/5.1.x/core/install/step_templates/db_config.tpl	(.../db_config.tpl)	(revision 12657)
+++ branches/5.1.x/core/install/step_templates/db_config.tpl	(.../db_config.tpl)	(revision 14113)
@@ -1,5 +1,5 @@
 <tr class="table-color2">
-	<td class="text"><b>Database Server Type <span class="error">*</span>:</b></td>
+	<td class="text"><b>Database Server Type<span class="error">*</span>:</b></td>
   	<td align="left">
     	<select name="DBType">
     	<?php
@@ -66,9 +66,12 @@
 	</td>
 </tr>
 
+<?php if ($this->GetVar('preset') != 'already_installed') { ?>
+<!--show this option ONLY when config.php is empty or cant connect to In-Portal installation using current DB settings --> 
 <tr class="table-color2">
 	<td class="text" width="55%"><b>Use existing In-Portal installation in this Database:</b></td>
 	<td align="left">
 		<input type="radio" name="UseExistingSetup" id="UseExistingSetup_1" value="1"/> <label for="UseExistingSetup_1">Yes</label> <input type="radio" name="UseExistingSetup" id="UseExistingSetup_0" value="0" checked/> <label for="UseExistingSetup_0">No</label>
 	</td>
-</tr>
\ No newline at end of file
+</tr>
+<?php } ?>
\ No newline at end of file