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Joe Harris, CCIE No. 6200 (R&S, Security & SP) is a Systems Engineer with Cisco Systems® specializing in Security. In addition to authoring Cisco Network Security Little Black Book, Joe has also been a technical reviewer for several Cisco Press publications and written articles, white papers, and presentations on various security technologies. He also assists various Certification Partners by beta testing their newest CCIE certification workbooks and has been recognized by Cisco as an SE Wall of Fame award winner.

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XP SP3 & RDP SSL Plugin

April 29th, 2008 • Related • Filed Under

Ok so in my last post you will notice that I mentioned to you that XP SP3 is available…Prior to downloading it you need to be aware that if you are using an SSL remote access session with the RDP plugin, the plugin will no longer work after the install of SP3 and IE7. See the following for details:

http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=2725029&SiteID=17  

http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=2672375&SiteID=17

The reason for this is that the Terminal Services ActiveX control is disabled by default in XPSP3 as a security measure. You need to explicitly enable the Terminal Services ActiveX control in IE in order to use the ActiveX control. To do this you will need to do the following: 

Click on Tools -> Manage Add-Ons -> Enable or Disable Add-Ons in IE to enable the Terminal Services ActiveX control. If you are unable to see/enable the Terminal Services ActiveX control in IE7 on XPSP3 as a workaround can you try deleting the following registry keys: 

HKCU\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{7390f3d8-0439-4c05-91e3-cf5cb290c3d0} HKCU\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{4eb89ff4-7f78-4a0f-8b8d-2bf02e94e4b2)

Once you delete these keys, the activeX control should be enabled in IE7.

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