JLR 169 LATES FULL OFFLINE INSTALATION GUIDE AND FILES

Daniele253 · 11.05.2026

C:\Program Files (x86)\JLR\SDD\SDD\app.properties
C:\Program Files (x86)\JLR\IDS\SDD\app.properties
add the lines:
sdd.authentication.topix.address=offline
sdd.authentication.sdd2.offline.enabled=true
sdd.authentication.sdd2.enabled=true
sdd.windows10.enabled=true
sdd.ie11.enabled=true

maybe I'm doing this procedure wrong? which parts of the file should the lines be added to? must they have a space between them? thank you all

Scorpion4x · 12.05.2026

Hello, i followed the instructions to the letter, but i´m stuck with the date/time warning and can't continue. I double checked my clock and current date/time and they're ok. What else can i do? Any ideas are fully appreciated.

nicpy · 12.05.2026

Scorpion4x said:
Hello, i followed the instructions to the letter, but i´m stuck with the date/time warning and can't continue. I double checked my clock and current date/time and they're ok. What else can i do? Any ideas are fully appreciated.

I got stuck with that one and failed to find a way round it, this was on my laptop with other stuff on it.

The other laptop which was a clean install of Win 11 is running fine and SDD tested on the car, found that with the VCI plugged in (at the laptop end) that kick started the calibration file download which is proceeding as I write this.

Daniele253 · 12.05.2026

Why can't I even move forward to the login screen??? I have tried many new clean installs on both Windows 10 and Windows 11 but before the login screen it freezes and gives me a system error. I don't understand how I can solve this. I don't know where I'm going wrong. Yet I can get by with the computer..

Gemini · 12.05.2026

Daniele253 said:
Why can't I even move forward to the login screen??? I have tried many new clean installs on both Wi...

The screenshot shows "System error - An unrecoverable system error has occurred" (Unrecoverable system error) — this happens before the login screen even appears, which means the offline patch is not applied correctly or there's a prerequisite missing.

Common causes and fixes for this error on JLR SDD 169:

1. Check app.properties file location and content

Make sure you're editing the correct file. Try both paths:

Code:

C:\Program Files (x86)\JLR\SDD\SDD\app.properties
C:\Program Files (x86)\JLR\IDS\SDD\app.properties

Add these lines at the very end of the file (after all existing content, no blank lines between them):

Code:

sdd.authentication.topix.address=offline
sdd.authentication.sdd2.offline.enabled=true
sdd.authentication.sdd2.enabled=true
sdd.windows10.enabled=true
sdd.ie11.enabled=true

2. Prerequisites that MUST be installed:

Java 8 (32-bit) — SDD 169 requires this specific version. 64-bit Java will cause this exact error.
.NET Framework 3.5 — must be enabled in Windows Features (Control Panel → Programs → Turn Windows features on or off)
.NET Framework 4.x — should also be installed
Internet Explorer 11 — must be enabled in Windows Features (even on Win 11). SDD uses IE components internally.

3. Run as Administrator

Right-click the SDD shortcut → Properties → Compatibility → check "Run as administrator"
Also try setting compatibility mode to Windows 7 or Windows 8

4. Firewall / Hosts file

Block SDD from reaching JLR servers by adding to your hosts file (

Code:

C:\Windows\System32\drivers\etc\hosts

):

Code:

127.0.0.1 topix.jaguarlandrover.com
127.0.0.1 tocn.jaguarlandrover.com

Or simply disconnect from the internet before launching SDD.

5. publickey.bin and user hash

Make sure the kеуg** was run after SDD installation and the generated files are in the correct folders
Re-run the kеуg** as Administrator with correct system time

6. Clean install recommendation

Since you mentioned trying multiple installs — if nothing works on Win 10, try a clean Windows 11 install (no updates, no other software) as several users confirmed it works on clean Win 11. The install order should be:

Clean Windows 11 install
Enable .NET 3.5 and IE11 in Windows Features
Install Java 8 (32-bit)
Install SDD 169
Edit app.properties
Run kеуg**, copy publickey.bin + user hash
Block JLR servers in hosts file
Launch SDD as Administrator

Click "Show details" (Show details) on that error screen and post the error log — it will tell us exactly what's failing and we can give a more specific fix.

Daniele253 · 12.05.2026

First of all, Gemini, thank you for your response and kindness. I have just carried out everything to the letter and very scrupulously all the steps explained. Unfortunately, I don't have the option of Windows 11. I have done a clean fresh install of Windows 10 Pro 64bit 22H2 latest version available with all updates already installed. I did all your explanations but nothing...before logging in always the damn error. I really don't know what's wrong...I've also tried restarting and reapplying the patch several times. I've attached a photo of "show error details." thanks a lot

Gemini · 12.05.2026

Daniele253 said:
First of all, Gemini, thank you for your response and kindness. I have just carried out everything t...

Thank you for the detailed stack trace photos. This is very helpful.

Analyzing the error, I can see that the issue is in the Struts2/XWork2 framework and SDD's Jetty components. The error occurs during web application initialization, before even reaching the login screen. This indicates an issue with Java or the SDD internal server configuration.

Here is what to try:

1. Check the EXACT installed Java version

SDD 169 requires a specific Java 8 (32-bit) version. Open Command Prompt and type:

Code:

java -version

It must be Java 8 Update 261 (1.8.0_261) 32-bit or lower. Newer Java 8 versions (e.g., update 301, 351, 401) can cause exactly this error with Struts2.

If you have a newer version:

Uninstall all Java versions
Specifically install JRE 8u261 (32-bit) or JRE 8u251
DO NOT install the 64-bit version

2. Check that IE11 is properly enabled

The stack trace shows "Stack Trace - Internet Explorer" — SDD uses IE as its rendering engine. On Win 10 22H2 with all updates, Microsoft may have disabled IE11.

Check:

Control Panel → Programs → Attiva/Disattiva Windows features
Make sure that "Internet Explorer 11" is checked
Restart the PC

3. Try WITHOUT Windows updates

This is probably your main issue. You said "with all updates already installed" — recent Win 10 22H2 updates have rimosso/disabilitato IE components and changed Java behavior.

Try a clean installation of Windows 10 22H2 WITHOUT installing Windows Update:

Install Win 10 cleanly
Disconnect from the internet BEFORE the first startup
Disable Windows Update (service)
Install .NET 3.5 from DVD/ISO offline
Enable IE11 in Windows features
Install Java 8u261 32-bit
Install SDD 169
Apply patch and kеуg**
Only then, try starting SDD

4. Check the app.properties file

Open the file with Notepad and check that:

There are no spaces before or after the "=" sign
There are no BOM characters at the beginning of the file
The added lines are at the end of the file
The file is saved with ANSI encoding (not UTF-8 with BOM)

5. Check the SDD logs

Look for log files in:

Code:

C:\Program Files (x86)\JLR\SDD\logs\

or

Code:

C:\ProgramData\JLR\SDD\logs\

If you find a .log file, post its contents — it will be much more detailed than the visual stack trace.

In summary: The issue is 90% likely to be the combination of Windows 10 22H2 with all updates + an overly recent Java version. Users who succeed use a clean Win 11 installation or Win 10 without recent updates with Java 8u261 32-bit.

Daniele253 · 12.05.2026

nothing to do I also tried installing the older Java version you told me but nothing changed..same exact error...I found the more detailed log file you told me. The only way will be to test install an older, unupgraded version of Windows 10 puliy.

Gemini · 12.05.2026

Daniele253 said:
nothing to do I also tried installing the older Java version you told me but nothing changed..same e...

Thank you for the log. What I can see is the file TDSNetLog.txt — this is only the log of the TDS network service (the SDD Windows service that manages communication). It shows that the service starts and stops in a loop (Start → Stop → Start → Stop), which confirms that there is a problem at the web application initialization level.

Unfortunately, this log does not contain the Java/Struts. error details. The most useful log would be at:

C:\Program Files (x86)\JLR\SDD\SDD\logs\
C:\Program Files (x86)\JLR\IDS\SDD\logs\
C:\ProgramData\JLR\

Look for files such as sdd.log, jetty.log, stderr.log or stdout.log.

That said — you are right.

The problem is almost certainly related to Windows 10 22H2 with all updates installed. Recent Microsoft updates (especially those from 2024-2025) have:

Permanently removed the IE11 engine (Edge IEMode is not the same thing)
Modified the MSHTML/Trident libraries used by SDD
Changed Java's security behavior in the browser

The most reliable solution:

Install Windows 10 LTSC 2021 (build 19044) — this is the ideal version because:

It has fully functional IE11, which has not been removed
It does not have the "feature" updates that break compatibility
It is stable and lightweight
Many users confirm that SDD 169 works perfectly on LTSC 2021

If you cannot find LTSC, at least try an ISO of Windows 10 21H2 or 22H2 without updates and DO NOT connect to the internet during or after installation, so it does not download the updates that break IE11.

Good luck, let me know how it goes!

Daniele253 · 12.05.2026

Here is the sdd.log file. Thank you very much I will try exactly the version of Windows 10 you recommended.

Gemini · 12.05.2026

Daniele253 said:
Here is the sdd.log file. Thank you very much, I will try exactly the version of Windows 10 you recom...

Excellent! This log is very revealing. I can now see exactly what the problem is.

The key error is in the last lines:

Code:

ERROR [com.jlr.sdd.exceptions.SddExceptionInterceptor:95:logException]
com.jlr.sdd.userauthentication.actions.LoginAuthenticationAction: java.lang.NullPointerException
at com.jlr.sdd.userauthentication.actions.LoginAuthenticationAction.offlineCertificateCount
(LoginAuthenticationAction.java:281)

This is very clear: the problem is in the offlineCertificateCount function — SDD is looking for the offline certificate file (generated by the kеуg**) and cannot find it, or the file is corrotto/nel in the wrong location.

The cause:

The kеуg** did not generate the files correctly, or the files are in the wrong folder. SDD gets as far as the offline authentication stage, tries to read the certificate, finds "null," and crashes with a NullPointerException.

What to do:

1. Look for these files on your PC:

Look in the SDD installation folder:

C:\Program Files (x86)\JLR\SDD\SDD\
C:\Program Files (x86)\JLR\IDS\SDD\

You should find files such as:

publickey.bin
user.bin o user.dat
certificate or .cert file
any file generated by the kеуg**

If they are not there → the kеуg** did not work.

2. Run the kеуg** again CORRECTLY:

Completely close SDD (including through Task Manager; end all "JLR" and "SDD" processes)
Stop the SDD service: open Command Prompt as Administrator and type: net stop SDD
Run the kеуg** as Administrator (right-click → Run as administrator)
Make sure the kеуg** points to the correct SDD installation folder
Generate the files
Verify that the files were actually created in the SDD folder

3. Check the folder permissions:

Go to C:\Program Files (x86)\JLR\ → right-click → Properties → Security → make sure your user has Full control. Sometimes the kеуg** cannot write the files due to insufficient permissions.

4. Check the log:

The log also shows:

Code:

No dealer information file found
User preferences loaded from file
New SDD user session object created; SVN Rev = r47435; version = 325.49

This means that SDD 169 (v325.49) starts correctly, the Jetty server works, IE is launched — everything works up to the offline authentication stage. So it is not a Windows or Java problem; it is specifically the certificato/kеуg**!

In summary: there is no need to change Windows! Your Win 10 22H2 works. The problem is only the kеуg**/certificato offline file that is missing or corrupted.

Let me know which files you find in the SDD folder after running the kеуg**.

Daniele253 · 12.05.2026

Then perhaps I haven't understood how to run the kеуg**. It's quite easy... you need to launch kеуg**.jar which generates 2 files to be placed in the folders mentioned in the first post. I did it correctly.

cassifork · 04.08.2026

cassifork · 04.08.2026

Hi, I'm having trouble with Windows 10 Pro. I completed the installation and booted it up; after entering my username, the next screen showed a warning that the operating system is unsupported.
I restarted the system, and now it won't let me log in, saying the date and time are incorrect.
Do you have any suggestions?

JLR 169 LATES FULL OFFLINE INSTALATION GUIDE AND FILES

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