Modifying the default RD Web Access web page

RD Web Access, especially in R2, is one of those features that doesn’t look to bad right out of the gate. Of course, you could modify it. Here’s how you do it and not just for the look and feel), beyond the manual.)

The good news is that at its core the RDWebAccess page is really nothing more than a standard web page being presented by IIS that just happens to tie into Remote Desktop. Because of this, you are free to modify it pretty much any way you like. Just make sure you back-up the page before making any changes, and you are safe to modify the .aspx files directly.

Note: Microsoft does not support the modification of this page, so any changes are at your own risk.

So let’s take a look at the files. When I open IIS manager on one of my RDWebAccess servers and pull up the properties on the default RDWeb site I see this:

So we know that C:\Windows\Web\RDWeb\ is the root directory for the site and when I first open my RDWebAccess site I can see that I am viewing:

And once I log in I am viewing:

Note: the certificate errors are expected since I am accessing the site via the “localhost” name rather than the server’s FQDN and there is no certificate associated with the name “localhost”.

So now that we know the complete path for the files your users are viewing (C:\Windows\Web\RDWeb\Pages\en-US) let’s get to work.

The most common modification that I hear is a request to change the default security option on the login page from public to private in order to preserve the username to make things easier the next time a user logs in. As long as you are aware of the potential security concern from exposing the username, you can easily change this by modifying the page:

1. Browse to C:\Windows\Web\RDWeb\Pages\en-us (or the appropriate location on your system)

2. Give the user you are logged in with full control of login.aspx

3. Make a backup copy of login.aspx

4. Edit the original login.aspx file

5. Find the line:   <label><input id=”rdoPblc” type=”radio” name=”MachineType” value=”public” class=”rdo” onclick=”onClickSecurity()” checked /></label>      And change it to:     <label><input id=”rdoPblc” type=”radio” name=”MachineType” value=”public” class=”rdo” onclick=”onClickSecurity()” /></label>

6. Then find the line:  <label><input id=”rdoPrvt” type=”radio” name=”MachineType” value=”private” class=”rdo” onclick=”onClickSecurity()”/></label>      And change it to:     <label><input id=”rdoPrvt” type=”radio” name=”MachineType” value=”private” class=”rdo” onclick=”onClickSecurity()” checked /></label>

Another question commonly asked is how to pre-populate the server name in the “Connect To” field on the “Remote Desktop” page. To do that:

1. Browse to C:\Windows\Web\RDWeb\Pages\en-us (or the appropriate location for your system)

2. Give the user you are logged in with full control of desktops.aspx

3. Make a backup copy of desktops.aspx

4. Edit the original desktops.aspx file

5. Find the following lines:   type=”text” onkeydown=”BLOCKED SCRIPTcheckKey(this);” onkeyup=”BLOCKED SCRIPTcheckLen(this, 1);” />     And change it to:      type=”text” onkeydown=”BLOCKED SCRIPTcheckKey(this);” onkeyup=”BLOCKED SCRIPTcheckLen(this, 1);” value=”ServerNameHere” />

While we are in the Desktops.aspx file, you can also change the default resolution by looking just a bit lower in the file for the following section:

</td>
<td width="7"></td>
<td valign="top" style="padding-bottom: 4px;">
   <select class="topspace" id="comboResolution" style="width: 270px" name="comboResolution">
          <option value="0" selected><%=L_FullScreenLabel_Text %></option>
          <option value="1"><%=L_800x600Label_Text %></option>
          <option value="2"><%=L_1024x768Label_Text %></option>
          <option value="3"><%=L_1280x1024Label_Text %></option>
          <option value="4"><%=L_1600x1200Label_Text %></option>
        </select>
</td>

…and simply changing which option line gets the “selected” value. Using this pattern you can continue on through the file and set the rest of the default options in the way you like, everything from the default values for redirecting the Printer and Clipboard to the performance profile can be set here.

Source: http://blogs.technet.com/b/askperf/archive/2011/01/21/modifying-the-default-rdwebaccess-web-page-for-fun-and-profit.aspx

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