In this article, i will show you how you can make some visual changes to the Exchange 2010 Forms-based Authentication (FBA) logon screen.

The Exchange 2010 OWA FBA logon page is located on the  installation directory on you CAS server.

..\%install dir%\Microsoft\Exchange Server\V14\ClientAccess\Owa\”Product Version”\Theme\

Base is the default theme. You can change this theme by editing the gif files or make a new theme. The logon page is built as follow.

Change Default color sets as follow:

In the logon.css you can make some default background color changes.

- Find “input.btn” and change the color code for ‘background-color’  This is the Sign In background button color.

- Find “btnOnMseOvr” and change the color code for ‘background-color’  This is the Sign in button on Mouse Over.

- Find “select, .txt” and change the color code for ‘background-color’  This is the backgound color for the input field.

- Find “table#tblMain” and change the color code for ‘border’ . Now you get a line in your color

Change default text

You can also change the default text from the logon page. Make these changes to change the username variable

Path  ..\%install dir%\Microsoft\Exchange Server\V14\ClientAccess\Owa\auth\logon.aspx

- Find “<%=UserNameLabel%>” and modify it into your variable. Something likes “Internet ID”

It looks like:  “<td nowrap><label for=”username”>Internet ID</label></td>”