Internet Explorer is unable to access
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Internet Explorer is unable to access


Article ID: 52451


Updated On:


CA Single Sign On Secure Proxy Server (SiteMinder) CA Single Sign On SOA Security Manager (SiteMinder) CA Single Sign-On



Customer is using IE 6 and having cookies issue after providing credentials. The message in the browser shows:

"Please Note: Access to this web site requires that cookies pass properly
between your web browser and this web server. Please check the following and
retry your request:
your web browser is configured to accept cookies.
you are using a fully qualified domain name in your URL. is CORRECT.
http://server/index.html is INCORRECT. is INCORRECT."


There is an underscore in DNS alias (ex: Microsoft technote:

shows "Cookies Are Not Saved If the Host Name Is Invalid". The issue is due to underscore (_) appearing at host name. IE will not serve cookies if the Host Name Is Invalid. This behavior shows in IE browser only and is not limited to IE 5.x but 6.x is also affected.

Customer should avoid invalid characters in the DNS entry to resolve this issue.

<Please see attached file for image>

Figure 1

<Please see attached file for image>

Figure 2


Component: SMSUN


1558713510163000052451_sktwi1f5rjvs16t3j.gif get_app
1558713508123000052451_sktwi1f5rjvs16t3i.gif get_app