OWA on Exchange 2003 Web GUI elements not showing

1. Backup IIS first by following below steps:
- Open IIS
- Right Click on Server Name
- Go to All Tasks
- Click on Backup/Restore Configuration
- Click Create Backup in the Configuration Backup/Restore dialog box, and then type a name for this backup.
- Click OK to quickly back up the administrative settings in the metabase.
- Click Close

2. Configuring Forms-Based Authentication:
1. Open Exchange System Manager.
2. Navigate to your server object.
3. Expand your server object, and expand Protocols.
4. Expand HTTP.
5. Right-click on the Exchange Virtual Server and select Properties
6. On the Settings tab, click to select the Enable Forms Based Authentication check-box.
7. Click Ok, and click Ok to dismiss the warning message.
8. Restart the IIS services either from the Services snap-in or from the IIS Admin snap-in.

- After above changes check OWA access.

shreedhar:

Did those steps. Now I'm getting:

440 Login Timeout

internal and external

- Please refer this article: http://support.microsoft.com/kb/917686

I accepted my own comment because Microsoft support resolved the issue.