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Profile migration FF Rapid Release 84.x to ESR 78.6.x (Offline)

Dear all, I am planning a move towards the Firefox ESR 78.6.x. Currently my customer is using the Firefox Rapid Release 84.x and need your help with the profile migration… (funda kabanzi)

Dear all,

I am planning a move towards the Firefox ESR 78.6.x. Currently my customer is using the Firefox Rapid Release 84.x and need your help with the profile migration. The customer has a very isolated on-premises environment and does not allow the users to login into a Firefox-Account. Therefore the settings for Cookies, Cache, History and especially Bookmarks are not synched.

Environment details:

  • Enterprise environment with several tausends of clients
  • All clients on Windows 10 Enterprise between 1809 and 20H2
  • All clients have always the newest Firefox installed currently 84.x

This creates a huge challenge to sync this stuff. Therefore I have now identified the following two options:

  1. 1 Allow the downgrade by using the environment variable MOZ_ALLOW_DOWNGRADE on Windows. For this option I am trying to find the real reason why this "Downgrade-Stop" has been implemented in the first place? What risks in detail do I take to allow this downgrade? Has anybody done this before and do you mind to share your experience here? How many issues did you face and how did you remediate the issues?
  1. 2 Hand over the migration to the users. Copy their current profile to their desktop and ask them to import their bookmarks manually. Not preferred by users and I can't even blame them for.

Is there any other way to automatically sync the profiles from 84.x to ESR 78.6.x without user interaction?

Thanks in advance Amir

Asked by Large Enterprise Support 4 izinyanga ezidlule

Answered by Large Enterprise Support 3 emasontweni adlule

Update Firefox in secure environment

I would like to get new security updates for Firefox, i dont have Internet connection so the updates must come in some other way. is it possible to download updates somew… (funda kabanzi)

I would like to get new security updates for Firefox, i dont have Internet connection so the updates must come in some other way.

is it possible to download updates somewhere and then place then on a share on a fileserver and then i can tell Firefox look for updates on this share instead of Internet.

I already use this technic for Windows Defender, i download the definition files and the enable a GPO that tell Defender that all updates are on a fileshare.

Can this be done in Firefox (or something similar?

Hope you understand what i am trying to achieve

Asked by piaggio_97 2 izinyanga ezidlule

Last reply by Mike Kaply 2 izinyanga ezidlule

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Error "Firefox has stopped working" on install

A few weeks ago, Firefox stopped working on my machine. When I tried to launch it I got an error message "Firefox has stopped working". I tried a reinstall and a clean … (funda kabanzi)

A few weeks ago, Firefox stopped working on my machine. When I tried to launch it I got an error message "Firefox has stopped working". I tried a reinstall and a clean reinstall but both installation procedures fail with the same error.

I'm running Windows 10 64-bit. I am installing with administrative permissions.

There are two files in AppData\Roaming\Mozilla\Firefox\Crash Reports from the two days that I tried reinstalling. I'm not sure what to do with them.

  • InstallTime20201027185343 (from today)
  • InstallTime20201014125134 (from my last attempt, on 10/22)

Asked by jlefeaux 6 izinyanga ezidlule

Last reply by cor-el 5 izinyanga ezidlule

  • Kusonjululiwe
  • Okugcinwe kunqolobane

About Flash Player after 2020

Hello, The company I work for has a very large Flex system making it impossible to migrate to another technology until 2020. My suggestion is to keep the current version … (funda kabanzi)

Hello,

The company I work for has a very large Flex system making it impossible to migrate to another technology until 2020.

My suggestion is to keep the current version of mozilla as it is running the flash player, I would disable automatic updates and freeze the browser in the current version.

My question is: whether this work after 2020?

Asked by joao6 10 izinyanga ezidlule

Answered by Mike Kaply 7 izinyanga ezidlule

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Automate profile migration during automated upgrade

We use Firefox ESR in our enterprise and have been using 32bit for a very long time even though we have all Windows 64 bit OSs, we are now attempting to move from Firefox… (funda kabanzi)

We use Firefox ESR in our enterprise and have been using 32bit for a very long time even though we have all Windows 64 bit OSs, we are now attempting to move from Firefox 68.x ESR 32bit to Firefox 78.x ESR 64bit. The issue we are seeing is the Firefox profile does not automatically get picked up after the upgrade has taken place, our process is to uninstall the previous version and then install the new version. We know we can recover the profile by opening the browser and going to about:profiles but asking a user community or thousands makes it a little difficult on our end user support. Is there a way to automate the profile move during the upgrade of the browser in this scenario? Also not that a lot of our users have more than one profile in thier user folder so if there is an automated way of doing this how can we tell which profile is their current default profile?

Asked by JohnVee 7 izinyanga ezidlule

Answered by Wesley Branton 7 izinyanga ezidlule

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problem authentication proxy

at work we use a proxy network with authentication ONLY with the firefox browser i have proxy problems. I see the page access denied by the proxy server, the only solutio… (funda kabanzi)

at work we use a proxy network with authentication ONLY with the firefox browser i have proxy problems. I see the page access denied by the proxy server, the only solution is to close and open the application.

Asked by marco26 1 unyaka odlule

Last reply by gleb.bodrug99 9 izinyanga ezidlule

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Questions about Firefox software for corporate approval

With security concerns on the rise, our company has required that all software installed on their systems go through an approval process. As part of that approval process… (funda kabanzi)

With security concerns on the rise, our company has required that all software installed on their systems go through an approval process.

As part of that approval process, they want to know the following:

  • Is the software signed by a trusted third party?
  • Is the software downloaded from a US hosted facility?
  • Does the software perform call backs to the software maker?

Thank you!

Asked by mrmuffin10 10 izinyanga ezidlule

Last reply by Andrew 10 izinyanga ezidlule

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Enable addons locally installed via GPO

Hello, I'm migrating from CCK2 to GPO for Firefox ESR 60.30 and having an issue with xpi files I downloaded 3 languages pack files on copied them to the Firefox directory… (funda kabanzi)

Hello, I'm migrating from CCK2 to GPO for Firefox ESR 60.30 and having an issue with xpi files I downloaded 3 languages pack files on copied them to the Firefox directory I'd like to enable them via GPO but I have an issue with the syntax In CCK2 config it's something like resource://path/to/xpi In set the same value in GPO but extensions is not available for user Regards, Goksel

Asked by goksel.balci 1 unyaka odlule

Answered by cor-el 1 unyaka odlule

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Using firefox in more than one location with roaming profile data

We are currently trialling Firefox in our business, we need to redirect the users profile to have users bookmarks move with them when they enter meeting rooms. Currently… (funda kabanzi)

We are currently trialling Firefox in our business, we need to redirect the users profile to have users bookmarks move with them when they enter meeting rooms. Currently we are using Folder Redirection with offline file syncing enabled to accomplish this. This is causing users to receive the error telling them to close Firefox as it is already running when they open Firefox on a second PC at the same time. I understand why this is happening with the lock file being created in the users roaming profile data, I am looking to find a solution that will allow users to have their data roam with them and be able to open multiple sessions on different PCs simultaneously.

What methods are you using to provide this level of functionality to users in your business?

Asked by harrylentern 1 unyaka odlule

Last reply by FredMcD 1 unyaka odlule

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Mozilla Firefox ESR - How to set bookmark location

Hi, We need a solution on how to define where bookmarks are saved on our computers either to the users homedrive (mapped network drive) or their OneDrive folder. I have l… (funda kabanzi)

Hi,

We need a solution on how to define where bookmarks are saved on our computers either to the users homedrive (mapped network drive) or their OneDrive folder.

I have looked through the list of policies available but can't seem to find any policies that lets us define the default bookmarks location. Am I missing something or this is not an option at all? If not an option I have to ask why? We can't expect every user in our organization to create a firefox account to have their bookmarks available when they sign in to a meeting room computer, classroom computer or their personal computer is replaced.

Any help is highly appreciated

Asked by Johnny 1 unyaka odlule

Last reply by Dkiger 1 unyaka odlule

  • Okugcinwe kunqolobane

Adding policy based custom configurations on a Extension

We are trying to install an Extension which captures performance metrics of end users of our Org , we need to push this extension to all the users in our Org via Policy b… (funda kabanzi)

We are trying to install an Extension which captures performance metrics of end users of our Org , we need to push this extension to all the users in our Org via Policy based so that there is no user interaction for installing this plugin, however we are unable to find how to add details explicitly to the extension the details include the Host, port and version where the plugin will be sending the data , need help to find the appropriate details

Asked by akshay.allihor 1 unyaka odlule

Last reply by Mike Kaply 1 unyaka odlule

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Firefox crashes

Hello experts, Hope you are all doing well. On a corporate Thinkpad T480 running Windows 10 Version 1803 OS Build 17134.1006 Firefox is crashing daily. Chrome or IE doesn… (funda kabanzi)

Hello experts,

Hope you are all doing well.

On a corporate Thinkpad T480 running Windows 10 Version 1803 OS Build 17134.1006 Firefox is crashing daily. Chrome or IE doesn't have the same problem. Troubleshooting performed so far: 1. Tried running Firefox for a full day in Safe Mode: Still crashes - bp-d9e945ed-e475-4b92-a449-e3b620191002 2. Tried ESR version of Firefox - no improvement. 3. Re-installed Firefox a few times - no improvement. 4. Chrome, IE, Edge do not have the same problem but they are not Firefox : ) 5. Reviewed the Firefox crashes knowledge base and tried everything listed there. Last test was to use Firefox for a day in Safe Mode (wasn't easy but I coped with it)

Something i've noticed (not 100% sure about it) is that if I leave a private window open the crash is somehow more likely to occur.

So far my observations are that this is some sort of a memory leak-like problem as just before the crash tabs on the browser and some content on pages becomes blank when I hover over with the mouse. Task Manager shows very high Memory usage 1,5-2 GBs.

Any and all advises are welcomed. Thank you!

Regards, Dimitar

Asked by dimitrof.dimitar 1 unyaka odlule

Last reply by FredMcD 1 unyaka odlule

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Installation question

I am trying push Firefox out via Microsoft Intune. I am able to push it out but Intune's always say waiting on install status. I have tried the msi and the exe installe… (funda kabanzi)

I am trying push Firefox out via Microsoft Intune. I am able to push it out but Intune's always say waiting on install status. I have tried the msi and the exe installers and have the same issue. I am trying to validate the installation like I do other msi installation by looking at the GUID but the issue is none of the Firefox installers install a GUID in the registry.

I am trying to figure out how to add my own GUID via the installation. Any ideas?

Asked by David 1 unyaka odlule

Last reply by Dkiger 1 unyaka odlule

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Couldn't load XPCOM error in non-persistent VDI

We use Firefox fairly extensively in our VDI environment and has become our organization's standard web browser. In a non-persistent VDI environment, on occasion we have … (funda kabanzi)

We use Firefox fairly extensively in our VDI environment and has become our organization's standard web browser. In a non-persistent VDI environment, on occasion we have users that experience the dreaded "Couldn't load XPCOM" popup error message. In my research this usually is attributed to a faulty/corrupt update. We are a VMware View shop using instant clones with what's called a "Writable Volume" which is, in essence, a file system filter that allows certain user data to be written to persistent storage and the rest is written to the non-persistent VM. Upon logout the persistent disk is detached and the non-persistent VM is removed/rebuilt.

We are using the ESR branch of Firefox with policies configured to disable automatic updating, so I'm not sure where Firefox is breaking. Is there anything I can do to assist? On top of this, it's more difficult to reproduce since I'm unable to causing it to error out myself.

Asked by mchadwickIT 1 unyaka odlule

Last reply by FredMcD 1 unyaka odlule

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google.com is not available when it is available on other browsers using same proxy.

Hello, I'm using version 60.7.2esr in an enterprise context behind a proxy. And I have the following issue : after some time using firefox, https://www.google.com becomes… (funda kabanzi)

Hello,

I'm using version 60.7.2esr in an enterprise context behind a proxy.

And I have the following issue : after some time using firefox, https://www.google.com becomes unreachable.

But this website is available from edge or chrome. All these other browsers are using the same enterprise proxy with the same configuration.

I checked the network tab : there is no even a header sent apparently, hinting there is an issue before even getting to send a header.

Hence I imagined it could be a firefox DNS cache issue.

I deactivated it by modifying the user.js as I cannot modify it in about:preferences user_pref("network.dns.disablePrefetch","true") user_pref("network.dnsCacheExpiration",0)

But that didn't change the issue.

Do you have any suggestion on how to find what is going on? or a possible culprit?

Asked by Pedro Cristian 1 unyaka odlule

Last reply by FredMcD 1 unyaka odlule

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Crashes at startup

I can't get any version of Firefox to launch. I've tried different install methods as well as both x32 and x64. When Firefox launches it crashes with the message below an… (funda kabanzi)

I can't get any version of Firefox to launch. I've tried different install methods as well as both x32 and x64. When Firefox launches it crashes with the message below and doesn't generate any messages in the windows event viewer.

"The application had a problem and crashed.

Unfortunately, the crash reporter is unable to submit a report for this crash.

Details: The application didn't leave an application data file."

Asked by simbiote4 1 unyaka odlule

Last reply by simbiote4 1 unyaka odlule

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Since Firefox 67.0.1, Google and some other websites can't be access if a proxy is performing HTTPS decryption

Firefox is showing this error : SEC_ERROR_REUSED_ISSUER_AND_SERIAL The proxy is performing https decryption based on a crafted rootCA that is distributed through GPO (Win… (funda kabanzi)

Firefox is showing this error : SEC_ERROR_REUSED_ISSUER_AND_SERIAL

The proxy is performing https decryption based on a crafted rootCA that is distributed through GPO (Windows AD environment.) and firerefox configured to trust enterprise roots CAs (security.enterprise_roots.enabled;true) All worked fine before Firefox 67.0.1 Now, some websites are still working but some are not, including Google and Mozilla's sites. Chrome is working fine with both of those websites. Proxy used is Trendicro Interscan Web security virtual appliance 6.5 sp2 fully patched.

Asked by jerinho 1 unyaka odlule

Last reply by jerinho 1 unyaka odlule

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Firefox 60.6.1ESR crashes on non-persistent VDI machines

On our non-persistent VDI environment we experiencing users where FireFox crashes frequently - We're running W7 Enterprise 32bits - Firefox version 60.6.1ESR 32 bits i wa… (funda kabanzi)

On our non-persistent VDI environment we experiencing users where FireFox crashes frequently - We're running W7 Enterprise 32bits - Firefox version 60.6.1ESR 32 bits

i was expecting Sophos to causing this issue, so i created a new VDI machine without Sophos installed. The same issue appered.

I can reproduce the issue when launching a radio station on http://www.onlineluisteren.nl/ Issue appears between the 5 minutes and 2 hours

Worknotes: - Launched firefox in safe mode - Turned off hardware acceleration - created a new VDI image without our anti-virus 'Sophos' - issue was also happening with Firefox 60.5.2ESR

Log reports: https://crash-stats.mozilla.com/report/index/8b0db8fe-fba8-4cfb-b621-c87740190507 - Without Sophos installed on the machine and running in safe mode - this is on a test machine

https://crash-stats.mozilla.com/report/index/94037459-040a-404a-a7f0-3aca70190507 - Without Sophos installed - this is on a test machine

https://crash-stats.mozilla.com/report/index/62aa7ab3-0adb-47b7-ab20-26de60190507 - Without Sophos installed - this is on a test machine

https://crash-stats.mozilla.com/report/index/c5770d27-a023-43da-aa2b-06f3a0190501 https://crash-stats.mozilla.com/report/index/30dae469-7400-49d8-b020-748760190501 https://crash-stats.mozilla.com/report/index/8ab54247-3add-431e-8176-6f4ef0190501#tab-metadata https://crash-stats.mozilla.com/report/index/04819f59-8ff6-4d9e-82f8-ea8910190501#tab-metadata - With Sophos installed - PROD machine

Asked by UserUnknown 2 iminyaka edlule

Answered by UserUnknown 1 unyaka odlule

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Обновление не удалось, пожалуйста загрузите последнюю версию

Every day I download the latest version! Install it ! And in the next day the Firefox tell me that I must to download the new version ! Why my Firefox does not update au… (funda kabanzi)

Every day I download the latest version! Install it ! And in the next day the Firefox tell me that I must to download the new version ! Why my Firefox does not update automatically ????

Asked by dewon 2 iminyaka edlule

Last reply by cor-el 2 iminyaka edlule

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Problem with Firefox and Thunderbird automatic update

Hello, in company we have around 100 PC. All are in domain and have Firefox and Thunderbird. On both Firefox and Thunderbird is selected Automatic update All this PC was … (funda kabanzi)

Hello, in company we have around 100 PC. All are in domain and have Firefox and Thunderbird. On both Firefox and Thunderbird is selected Automatic update All this PC was shutdown every day and have one user with power user profile. I see that around 1/3 of this PC automatic update simple not work. And sometimes stay few version back. What can block this update? What I can do to have work also in this PC-s automatic update?

Asked by kigor 2 iminyaka edlule

Last reply by FredMcD 2 iminyaka edlule