When you access Outlook Web Access through Microsoft
Internet Security and Acceleration (ISA) Server 2000 by using RSA SecurID
authentication on the ISA Server, and you try to download an attachment, you
receive the following error message:
Internet Explorer
cannot download filename from
sitename. Internet Explorer was not able to open
this Internet site. The requested site is either unavailable or cannot be
found. Please try again later.
If you disable the RSA SecurID
authentication, you can download the attachment as expected. Also,
if
you use a browser other than Microsoft Internet Explorer, such
as Firefox and Mozilla, , the download of the
attachment may also work as expected.
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This problem occurs because of an RSA SecurID configuration
setting on the Web publishing rule.
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To resolve this problem, click to clear the
Prevent
Caching of Protected Pages on Client check box on the
RSA
SecurID tab of the Outlook Web Access Web publishing
rule.
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This
behavior is by design.
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The RSA SecurID add-in for ISA Server 2000 includes ISA
Server 2000 Feature Pack 1. For more information, click the
following article number to view the article in the Microsoft Knowledge Base:
319380 (http://support.microsoft.com/kb/319380/)
ISA
Server 2000 Feature Pack 1 overview
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