My review of the options showed that some options are only available with the policies.json file and preferences file so I opted to use a Group Policy Preference to deploy policies and Firefox preferences when we moved to ESR. This process also seems to be a little bit easier to quickly adjust a setting/preference without having to setup a test OU, edit a test GPO, etc.
From: Enterprise <[email protected]> On Behalf Of Harkins, Steve via Enterprise Sent: Tuesday, July 7, 2020 8:40 AM To: Maxime Accadia <[email protected]>; Kasper, Ryan V. <[email protected]> Cc: enterprise <[email protected]> Subject: Re: [Mozilla Enterprise] How can we get rid of Welcome screen in ESR 78 Maxime, Thanks. Is that from the internal configuration of Firefox? We are preparing to use GPOs for Firefox, but we’re not quite there yet. We already have GPOs for IE and Edge, and plan to add some for Firefox, Chrome, and Chromium Edge. Regards, Steve From: Maxime Accadia <[email protected]<mailto:[email protected]>> Sent: Tuesday, July 07, 2020 4:21 AM To: Kasper, Ryan V. <[email protected]<mailto:[email protected]>> Cc: Philipp Madersbacher <[email protected]<mailto:[email protected]>>; Harkins, Steve <[email protected]<mailto:[email protected]>>; enterprise <[email protected]<mailto:[email protected]>> Subject: [EXTERNAL] Re: [Mozilla Enterprise] How can we get rid of Welcome screen in ESR 78 I tried both policies (UserMessaging and OverrideFirstRunPage). The first run page is indeed overidden but the "Welcome to Firefox" of Firefox 78 also appears on new tabs. Regards, Maxime ________________________________ De: "enterprise" <[email protected]<mailto:[email protected]>> À: "Philipp Madersbacher" <[email protected]<mailto:[email protected]>>, "Harkins, Steve" <[email protected]<mailto:[email protected]>> Cc: "enterprise" <[email protected]<mailto:[email protected]>> Envoyé: Lundi 6 Juillet 2020 18:37:05 Objet: Re: [Mozilla Enterprise] How can we get rid of Welcome screen in ESR 78 I agree – also https://github.com/mozilla/policy-templates/blob/master/README.md#usermessaging<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_mozilla_policy-2Dtemplates_blob_master_README.md-23usermessaging&d=DwMGaQ&c=2WwxlqHD_9GeHFEUsOHZXg&r=a0pF-r4VjZCyzB4zxbRDcONPyw-KRRoDiBPd4lDRky8&m=U_bCHXmVOFlray9MhdwpVeRQO72zf_1RKyHFD8A3fPU&s=79yGNmiRGusd498TuyfsuSkaMGDK8fHNoZFqMhRXS-I&e=> Steve – you can use the admx GPO templates available here https://github.com/mozilla/policy-templates<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_mozilla_policy-2Dtemplates&d=DwMGaQ&c=2WwxlqHD_9GeHFEUsOHZXg&r=a0pF-r4VjZCyzB4zxbRDcONPyw-KRRoDiBPd4lDRky8&m=U_bCHXmVOFlray9MhdwpVeRQO72zf_1RKyHFD8A3fPU&s=KQSzIpg9jzKAZdi1HvBkagfKilHt9zHYNcvPrWLe4Ps&e=> or create a policies.json file under %ProgramFiles%\Mozilla Firefox\distribution (you will need to create the distribution folder, too)… Thank you, Ryan V. Kasper Leidos - Software Packaging From: Enterprise <[email protected]<mailto:[email protected]>> On Behalf Of Philipp Madersbacher Sent: Monday, July 6, 2020 9:33 AM To: Harkins, Steve <[email protected]<mailto:[email protected]>> Cc: [email protected]<mailto:[email protected]> Subject: EXTERNAL: Re: [Mozilla Enterprise] How can we get rid of Welcome screen in ESR 78 Hi, I assume this can be controlled through the following preference/policy: https://github.com/mozilla/policy-templates/blob/master/README.md#overridefirstrunpage<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_mozilla_policy-2Dtemplates_blob_master_README.md-23overridefirstrunpage&d=DwMGaQ&c=2WwxlqHD_9GeHFEUsOHZXg&r=a0pF-r4VjZCyzB4zxbRDcONPyw-KRRoDiBPd4lDRky8&m=U_bCHXmVOFlray9MhdwpVeRQO72zf_1RKyHFD8A3fPU&s=pc-so70AaIrvuP2Y4b4Abk44CpDfPSCmVK7Qsu15dHI&e=> Best regards, philipp Am Mo., 6. Juli 2020 um 15:34 Uhr schrieb Harkins, Steve via Enterprise <[email protected]<mailto:[email protected]>>: Hi, Our Electronic Software Distribution team is packaging ESR 78.01, and in testing noticed this Welcome screen. How can we keep this from appearing on users’ computers? Is it in the config somewhere? 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