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Which version of Java is installed there?
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IE Compatibilty Mode Win 11 and Java
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 56.00000000000001%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWB%3C/text%3E%3C/svg%3E)
Williams, Brian
6
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I have a legacy website that uses java. On machines running windows 10 with Java installed, the site runs fine in IE compatibility mode. However, it will not run on a windows 11 machine in IE compatibility mode configured the same way. I've installed Java, and entered the website url into the trusted sites in the Java control panel.
Note, it is not java script - java script is turned on. This was supposed to be supported until sometime in 2028 according to what I've read. What am I missing?
Microsoft Edge
Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 52%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEE%3C/text%3E%3C/svg%3E)
Edith Emeterio 0 Reputation points2023-12-15T23:19:43.7033333+00:00 Did you ever get a resolve for this? I have the same issue.
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6 answers
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 23%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
S.Sengupta 19,661 Reputation points MVP2022-02-02T01:18:30.45+00:00 -
Williams, Brian 6 Reputation points
2022-02-02T12:34:10.63+00:00 Yes - I had previously installed Java 8.03210.7 directly from Oracle - but I went to your link and installed the SDK which is version 17.020. My site is trying to open applets
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 0%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXP%3C/text%3E%3C/svg%3E)
XuDong Peng-MSFT 10,746 Reputation points Microsoft Vendor2022-02-03T03:11:13.38+00:00 Hi @Williams, Brian ,
The program works fine after you ugraded the Java SDK, right? If this is the case, I think the win11 update might have affected its compatibility. By the way, does the latest Java SDK work in IE mode in Win 10 ?
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Williams, Brian 6 Reputation points
2022-02-03T12:17:08.243+00:00 No - it still doesn't work. I'm not sure if the latest Java SDK works in Win 10 IE mode - it is not installed on my Win 10 machine
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XuDong Peng-MSFT 10,746 Reputation points Microsoft Vendor
2022-02-07T10:00:04.223+00:00 Hi @Williams, Brian ,
Well, in this case, I think your test should not be in production environment, can you find the relevant error message or log? And what versions of Edge are you testing, in win10 and win11?
In addition, I would like to know what document mode you are using in Edge IE mode. This may affect whether it is compatible with your page. Just refer to this doc: How does Internet Explorer determine the document mode.
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Williams, Brian 6 Reputation points
2022-02-08T18:06:22.21+00:00 The version of Edge on both Win 10 and 11 is Version 98.0.1108.43 (Official build) (64-bit)
I do not see and information in Event viewer logs
I'm not sure how to see document mode as F12 developer tools does not work in IE mode. If you have exact instructions how to get this info if you think it helps, I'll be happy to perform the steps.
Is IE Mode supposed to work with Java applets in Windows 11 as it does in Windows 10?
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XuDong Peng-MSFT 10,746 Reputation points Microsoft Vendor
2022-02-09T08:40:39.813+00:00 Hi @Williams, Brian ,
I'm not sure how to see document mode as F12 developer tools does not work in IE mode. If you have exact instructions how to get this info if you think it helps, I'll be happy to perform the steps.
If you need to debug the page in Edge IE mode, you could use IEChooser to open Internet Explorer DevTools, as follows:
- In Windows, open the Run dialog box. For example, press the
Windows logo key+R - Enter
%systemroot%\system32\f12\IEChooser.exe, and then click OK - In IEChooser, select the entry for the IE mode tab
For more details, just refer to this doc: Open DevTools on a tab in IE mode.
- In Windows, open the Run dialog box. For example, press the
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Williams, Brian 6 Reputation points
2022-02-09T13:39:53.1+00:00 Ran the developer tools on the Windows 11 machine and see the following in the Console tab:
HTML1527: DOCTYPE expected. Consider adding a valid HTML5 doctype: "<!DOCTYPE html>".
Ran the developer tools on the Windows 10 machine and see the same message in the Console tab.
Also, when Navigating in the website on the W11 machine, I get the attached message - if I click more info, it takes me to the Java website to install Java - which I have already done.
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XuDong Peng-MSFT 10,746 Reputation points Microsoft Vendor
2022-02-11T06:18:13.997+00:00 Hi @Williams, Brian ,
Based on these info you provided, I searched about this issue and I was wondering if you enabled the setting within Internet Options to allow Java applets. Like this:
You could also refer to this doc: How do I enable Java in my web browser?.
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