Adobe Acrobat DC: Überprüfung der Seriennummer nicht möglich

New Here ,
Jul 28, 2022 Jul 28, 2022

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Ich erhalte seit ein paar Wochen bei jedem Start von Acrobat DC eine Aufforderung, mich mit meiner Adobe-ID anzumelden. Nach Eingabe von Benutzername und Passwort schließt sich das Fenster entweder direkt oder es erscheint diese Fehlermeldung:

Alexander25426843cuvr_0-1659004300464.png

Die hier beschriebenen Schritte habe ich abgearbeitet, sie haben leider nicht geholfen: https://helpx.adobe.com/de/x-productkb/policy-pricing/activation-network-issues.html

Auch mehrere Neuinstallationen der SW brachten keine Lösung.

 

Was kann ich tun?

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Adobe Community Professional ,
Jul 28, 2022 Jul 28, 2022

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your default browser must support tls 1.2, https://helpx.adobe.com/x-productkb/multi/eol-tls-support.html

 

to test your default browser's tls you can use , https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html

 

your computer also needs to support openssl 1.0.1 or better.  to check,

 

mac: https://phoenixnap.com/kb/how-to-check-openssl-version

win: https://www.techwalla.com/articles/how-to-find-the-openssl-version-number

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New Here ,
Jul 28, 2022 Jul 28, 2022

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All browsers installed support TLS 1.2.

 

Can you confirm that I need to install OpenSSL on Windows to be able to activate Adobe Acrobat? That's hard to believe, to be honest. If Adobe requires their own SSL stack, I'd expect them to bundle it with their install.

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Adobe Community Professional ,
Jul 28, 2022 Jul 28, 2022

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from my first posted link:

 

kglad_0-1659017790325.png

 

what's your win version and build?

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New Here ,
Jul 28, 2022 Jul 28, 2022

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The browser(s) wasn't the issue, but the registry hack outlined here ("Add the DefaultSecureProtocols registry subkey") did the trick, apparently.

I hope that the activation status doesn't reset itself again in a few days....

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Adobe Community Professional ,
Jul 29, 2022 Jul 29, 2022

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it won't reset itself and nothing should be messing with your registry, but other files can be (and are) altered by av, anitmalware, cleaners, defraggers etc.

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