Hi Robert,
Here is my .xml. It's pretty bare bones. The layer that works is 'Taxlots' and it is in my basemap service. The other, 'Mainline_Structures' is in my active layer service and is the one that can't be ID'd. Thanks for your input.
Tom
<?xml version="1.0" ?>
<!--
////////////////////////////////////////////////////////////////////////////////
//
// Version 2.3.1 - May. 3, 2011
//
///////////////////////////////////////////////////////////////////////////////
-->
<configuration>
<betareturngeometryfix>false</betareturngeometryfix>
<identifylayeroption>visible</identifylayeroption>
<identifytolerance>5</identifytolerance>
<defaultzoomscale>5000</defaultzoomscale>
<keepidentifyactive>false</keepidentifyactive>
<returngeometryforzoom>true</returngeometryforzoom>
<labels>
<zoom2message>Click to Zoom to Point</zoom2message>
<identifylabel>Identify</identifylabel>
<resultslabel>Results</resultslabel>
<descriptionlabel>Use the identify tool to identify features on the map:</descriptionlabel>
<pointlabel>Identify by Point</pointlabel>
<linelabel>Identify by Polyline</linelabel>
<rectlabel>Identify by Rectangle</rectlabel>
<polylabel>Identify by Polygon</polylabel>
<clearlabel>Clear</clearlabel>
<loadinglabel>Loading...</loadinglabel>
</labels>
<useproxy>
<proxylayer>
<!--name>Imagery</name-->
</proxylayer>
</useproxy>
<layers onlythese="true">
<layer>
<name>Mainline_Structures</name>
<fields>Rim_Elev,High_Inv,Low_Inv,MH_Number</fields>
<linkfield></linkfield>
<linkprefix></linkprefix>
<linksuffix></linksuffix>
<iconfield></iconfield>
<iconprefix></iconprefix>
<iconsuffix></iconsuffix>
<zoomscale>15000</zoomscale>
<forcescale>true</forcescale>
</layer>
<layer>
<name>Taxlots</name>
<fields>ASSR_SN,STADDRS</fields>
<linkfield></linkfield>
<linkprefix></linkprefix>
<linksuffix></linksuffix>
<iconfield></iconfield>
<iconprefix></iconprefix>
<iconsuffix></iconsuffix>
<zoomscale>15000</zoomscale>
<forcescale>true</forcescale>
</layer>
</layers>
<symbols>
<simplefillsymbol color="0x448ccb" alpha="0.4" style="solid">
<outline color="0x448ccb" alpha="0.8" width="2"/>
</simplefillsymbol>
<simplemarkersymbol style="circle" size="12" color="0x448ccb" alpha="0.8" xoffset="0" yoffset="0" angle="0">
<outline style="solid" color="0xffffff" alpha="0.8" width="1"/>
</simplemarkersymbol>
<picturemarkersymbol url="assets/images/i_info.png" height="30" width="30" xoffset="0" yoffset="0" />
<simplelinesymbol color="0x448ccb" alpha="0.8" width="2"/>
</symbols>
</configuration>