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IE crashing when starting CDT

Hi All,

I would like to inform all of you that after November's Microsoft update round we have received few messages about crashing IE when launching CDT.
The root cause is unknown but we have few very good candidates:

1. Name Ctrl class:
NameCtrl Class crashing Internet Explorer when hovering over Lync presence icons - Spiceworks


In this case an add-on to IE seems to crash the browser.

2. KB3008923

HELP! KB3008923 breaks window.dialogArguments in secondary windows! | Microsoft Connect

Different users are reporting about IE crashing after this update.

3. KB3003057
KB3003057 crashes IE 11 - Microsoft Community

Some reports about crash.

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So, I would like to hear if anyone has any similar experiences lately.

Regards,
Jukka Suhonen
SAP Contact Center team

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replied

Hi All,

Because there is a lot of question around this topic I will summarize the story:

Please note that following is the best knowledge at the moment and if you decide to use the information below you should test it it your own quality/lab enviroment before taking to production:

KB3008923:
This update breaks modal dialog funtionality in IE. In CDT this issue can bee seen in voicemail window or when CDT prompts to reaload - it will display blank popup.
Also when the update is installed browser starts to crash almost every time when you try to open CDT.

KB3025390 for IE11 only:
Microsoft released this fix to fix the modal dialogs issue. When this update is installed CDT stays in loading window, doesn't start and time to time browser crashes when you try to open CDT.

Fix provided by SAP:
For SP6 Patch1 version see SAP Note 2122266
For SP7 version see SAP Note 2122309

This fixes the Microsoft issue where browser crashes. All supported IE versions.

Fix contains a server file and registry settings for client workstation.

Registry keys provided in SAP Notes:
Is a way to allow our proxy to run without IE's build in security check. This check is causing the issue that CDT stays in loading window.

Customers that are running IE11:
If all Microsoft updates are installed you should install the hotfix for SAP Contact Center and define the registry keys. The hotfix is recommended even you do not have installed Microsoft updates.

Customer that are running IE10/9/8:
If all Microsoft updates are installed you should install the hotfix for SAP Contact Center.

Regards,
Jukka
SAP Contact Center team

PS: Please keep in mind that IE11 is supported from SP7 onwards. If you try to use older release with provided registry keys you will see issue with windows sizing.

UPDATE:
Microsoft released KB3021952 which is replacing couple of earlier IE fixes. After installing that it seems like the registery keys are not needed. We are currently testing that and I will report about the findings when we have any.

UPDATE2: (23.3.2015)
CDT launches fine after installing the KB3021952 and after the registery keys are removed. The recommenation is still to try the KB in your lab enviroment before taking it to production enviroment.

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