Exchange 2007 SP1 Rollup 3 and customized OWA logon pages

by Shijaz Abdulla on 15.07.2008 at 07:51

If you have heavily customized Outlook Web Access logon pages and are planning to install Exchange Server 2007 SP1 Rollup Update 3 (released last week) on your Client Access Servers, this post is a must-read.

I had modified the logo and some of the background images on my Outlook login/logoff pages. To make things a bit more fancy, I had included two hyperlinks on my OWA login page (ClientAccessOwaauthlogon.asp) — "Terms of Use" and "Login Help", which pointed to separate independent HTML files on the same server. Everything was happy n’ kicking till I installed Rollup Update 3 for Exchange Server 2007 SP1.

After the upgrade, the OWA login page refused to show. The URL redirected to https://webmail.company.com/exchweb/bin/auth/owalogon.asp?url=https://webmail.company.com/exchange&reason=0&replaceCurrent=1 and all I got was a blank browser window.

So I pulled my wits together and started stripping any customization that’s not in the book. Once I removed the hyperlinked text that I had added on the logon screen, things started working again.

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