When I migrate Adobe Digital Editions from 1.7 to 4.0.3, the deactivation fails. What should I do?

Issue:

When migrating Adobe Digital Editions from 1.7 to 4.0.3, the deactivation workflow will fail.

Detail:

  1. Activate ADE 1.7.
  2. Install ADE 4.0.3, which support “Erasing the authorization of this computer adds one more to your number of allowed authorizations.” Feature.
  3. Try deactivating using ADE 4.0.3.
  4. Deactivation will fail.

Workaround:

Deactivate using ADE 1.7 and activate again using ADE 4.0.3.

Why am I getting an activation error?

Issue:

While activating ADE, the following error message is displayed:

Solution:

Reauthorize Adobe Digital Editions. 

Why am I getting the error: 'Unable to Erase Authorization. Please try after some time'?

Issue:

While deauthorizing Adobe Digital Editions, the following error message is displayed:

Solution:

Mac:

  1. Deauthorize ADE. To do so, navigate to /Users//Library/Application Support/Adobe/Digital Editions and drag the activation.dat file to trash.
  2. Authorize ADE again.

Windows:

  1. Click Start > Run.
  2. Type regedit and then press Enter. The Registry Editor opens.
  3. In the left pane of the Registry Editor, locate the following registry key:
  4.        HKEY_CURRENT_USER\Software\Adobe\Adept

  5. Right-click the Adept key and click Delete.
  6. In the Confirm Key Delete dialog box, click OK. ADE is deauthorized now.
  7. Authorize ADE again.

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