Brand OWA 2013 logon page

Just like in Exchange 2007 and 2010, the Outlook web app page can be customized to your needs.

See my previous post about this here.

In my organization we use 6 multi role Exchange 2013 servers, and when logging on to OWA you can't quickly see on which server you ended up.

This can be edited fairly quickly, but keep in mind that all these changes are undone when updating the Exchange systems with a cumulative update (CU).

First you need to go to the following location:
C:\Program Files\Microsoft\Exchange Server\V15\FrontEnd\HttpProxy\owa\auth
In there you will find a file called "logon.aspx", open it in your editor of choice.

For me that's Notepad++, and on line 272 add the following line:

<p><span style="color: #FFFFFF;">SERVERNAME</span></p>

This will add your servername in white text. So if you want to see it you'll have to select the entire logon page by pressing CTRL + a, then you will see the servername.

Important Note: These edits are overwritten anytime an Exchange Server update is applied to the CAS servers.
This is because every update includes a complete reinstallation of the Exchange binaries, and the logon.aspx file you edited will be overwritten.


Typically, the logon.aspx page rarely changes, so you can usually make a copy of it after you've made your edits and copy it back after the update. However, there are no guarantees that the file will not be changed by an update. If so, you will need to re-edit the logon.aspx file.
After each installation of a cumulative update for Exchange 2013, remember to execute both the UpdateCas.ps1 and UpdateConfigFiles.ps1 Windows PowerShell scripts.
It will save you a lot of trouble, troubleshooting errors with OWA and ECP.