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Application - Adobe Reader - Fonction Update


Rédigé par admin le 43 commentairese

Sur n'importe quelle station de travail, certaines applications sont incontournables ...:
Les lecteurs PDF en font partie.

Dans notre Collectivité, pour le Master Win7, nous avions opté pour "FOXIT READER" .
Applications trés interessante, mais malheureusement incompatible avec certains de nos Progiciels...
(Bord rognés, ...)

Mon supérieur direct (l'Admin Système) m'a donc chargé de faire le point sur ce sujet, et d'étudier une autre alternative, et notamment une référence dans ce domaine : ADOBE READER.

Bien sûr, l'aspect "Mise à Jour" et "Notifications" sont les premiers points que j'ai souhaité creuser.

J'avais eu une trés bonne surprise avec Les MAJs FlashPlayer : Ceux-ci s'installent automatiquement, sans interaction avec l'utilisateur connecté
(Qu'il soit admin local ou pas !)

J'ai malheureusement vite déchanter avec ADOBE READER .... 
Le décalage était grand entre les "flyers de présentation", les documents techniques et ce que j'ai constaté au fur et à mesure de mes tests.

                                    

 

 

Rappel de la problématique :

En entreprise, et pour des raisons de sécurité évidentes, les utilisateurs ne doivent pas être administrateur local de leur poste (Sauf cas particulier bien sur...).

"...Les droits d’administration des postes doivent être strictement réservés aux personnes en charge de leur configuration et uniquement utilisés pour des tâches qui s’y rapportent...." [ ssi.gouv.fr ]
 

Cette politique de sécurité permet de conserver un Parc cohérant en terme de configurations et d'applications installées, mais aussi permet d'éviter une recrudescence d'appels en Hotline. 

Malheureusement, certains progiciels (Java, etc ...) , devant être mis à jour regulierement (vecteurs potentiels d'attaques), recquirent des droits d'administrateurs locaux pour être updatés !! ...droits que ne possedent théoriquement pas l'utilisateurs lambda....

 

 

La Gestion des MAJs d'Adobe Reader  

1) Le programme annoncé en introduction ... :

helpx.adobe.com 

 Version 11 provides four update options :  
 Automatically install updates (recommended):  The product regularly checks for important updates, downloads them, and installs them automatically. 

blogs.adobe.com 

With the activation of the new Updater, Windows users will have the option to download and install updates for Adobe Reader and Acrobat automatically, without user interaction.  This is an important evolution in the distribution of updates.  

 [ helpx.adobe.com ]

The new service enables silent and automatic updates on machines where a user has configured the application for automatic updates. 
The service eliminates information dialogs prior to updates.            

 

2) Ce qui est indiqué dans les documents techniques :

http://kb2.adobe.com/cps/837/cpsid_83709/attachments/Acrobat_Reader_Updater.pdf    (page11)

                                

 

- Précisions sur les ".MSP" :

  • Les MAJs se présentent la plupart du temps sous forme de .msp  et  sont cumulatifs / à leur .msi de base  (base actuelle : 11.0 / version actuelle : 11.0.10) :       

[ helpx.adobe.com

"...Reader updates are usually MSPs, but can be an MSI or EXE file depending on the download source and release type.
Quarterlies are cumulative to the last released MSI (for example, 10.1). MSIs are full installers. .."

[ kb2.adobe.com

"...As of 10.1, quaterly updates are cumulative to last MSI (usually the base release) and out of cycle patches are cumulative to the last quaterly..."

 

  • Les tests semblent bien confirmer cela  (Log : ....\users\...\Appdata\Local\Temp\AdobeARM.log)

----> install initiale de la V11.0.07 et MAJ téléchargée automatiquement.
          (La MAJ téléchargée automatiquement est  la dernière version disponible [la V11.0.10])

 

3) Le constat

- Suivant la Doc technique, avec l’UAC activé, les .MSP devraient s’installer automatiquement [Without elevations and administrator privileges]Apres une multitude de tests, et quelle que soit la version de départ installée  [11.0.0.msi, 11.0.7.exe, 11.0.8.exe, 11.0.9.exe,  …etc] :

   ===> Depuis la session d’un user lambda : Le .msp est bien téléchargé automatiquement, mais une élévation est systématiquement demandée !!

===> Sur la session du même user, mais ajouté au groupe admin local : Ici aucun interaction n’est requise…, la MAJ est transparente 

 

- Une comparaison des Logs indique : [1er cas : Utilisateur NON admin \ 2eme cas : Même utilisateur Admin Local]

 

4) Autres ...:

- Ce comportement est signalé dans certains blogs : [ www.grouppolicy.biz /  www.discoverskills.com / forums.adobe.com ]

- J’ai tenté également des tests avec le "Wizard Adobe" : Resultat identique   [ Wizard Adobe  ] 

 

2) La gestion des notifications d'Adobe Reader

- Par défaut , une icône est présente dans le systray :

- Cette icone correspond au choix ci-dessous, ou à la clé :  HKCU\Software\Adobe\Adobe Synchronizer\11.0\   bShowNotification=0

 

- Constat : Quel que soit le choix pour la désactivation [Interface ou registre] : l’icone reste toujours présente !!!

 

- Pb ancien semble-t-il mais pas de solution proposée … : [ forums.adobe.com ]

"Adobe X Reader and diabling the 'Show notification icon in system tray" : 
"...This is a known issue and we are working on it. It will be fixed and released in one of the upcoming versions. Our apologies for the inconvenience..."

-   Remarque : même en essayant de masquer l’icone via Windows, elle continue à être visible !??

 

3) Déception donc ...

Bien sûr, il est toujours possible de pousser les MAJs via des GPOs, des scripts d'ouverture de sessions , ...etc.
(Dans ce cas là, il sera nécessaire de désactiver les MAJs  [ trekker.net ]) 

Adobe avait considérablement amélioré son systeme de MAJ avec "FlashPlayer", et les 1eres lecture sur le produit "Reader" laissaient entendre un fonctionnement identique ...

Dommage donc ...

 

 

.

DClassé dans : Applications ,Mots clés : aucun

A propos de l'auteur, admin:

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