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Microsoft Exchange 2000 Operations — Version 1.034
deleted. In addition, each time the user accesses Outlook Web Access, the browser will send
an “is modified” request for each static file cached; therefore, even if a future Service Pack
does modify \Exchweb content, the browser will immediately pick up the changes.
Changing this setting does not involve the registry. Instead, you will need to perform the
following steps:
1. Start the Internet Services Manager. Click Start, point to Programs, point to Adminis-
trative Tools, and select Internet Services Manager.
2. Expand the server icon.
Note: If you are performing this procedure on an Exchange 2000 Server cluster, expand the
Exchange Virtual Server instead of the Default Web Site in the following step.
3. Expand the Default Web Site.
4. Expand Exchweb, and view Properties on the \Controls and \img directories.
5. Under the HTTP Headers tab, you can either clear the Enable Content Expiration
checkbox or select the Expire after property to a value greater than the one day default.
Figure 2.1
Setting OWA Properties
Note: If you ever need to force Internet Explorer to refresh the entire content of a page, thus
ignoring data in the cache, open the URL, then hold down CTRL and press F5. In Netscape
Navigator, hold down SHIFT and click Reload.