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Unable to connect to the - local backup engine

There are two common situations where this occurs:

  1. within approximately fifteen minutes after a first install of the CrashPlan software
  2. after an unexpected stop of the computer and/or the CrashPlan software

1. First install

After an initial installation of the CrashPlan PRO software, after starting the CrashPlan application the message appears "Unable to connect to the - local backup engine - retry?" The CrashPlan software consists of two parts:

  1. the user interface,
  2. the engine.

In a new installation, this engine can stop by itself. This occurs only once, and only in a singular event (not on every new installation), and within about fifteen minutes after the end of the installation process.

Restarting the CrashPlan engine is the solution

There are various ways to restart the CrashPlan engine:

  • Restart the computer, or
  • Restart the Mac OS X service via Terminal.app with the command:
    $ sudo launchctl load /Library/LaunchDaemons/com.crashplan.engine.plist
  • Restart the Windows service through…
    • the graphical user interface:
      • [ Start ] > [ Run ] > "services.msc",
      • Right click "CrashPlan Backup Service" and choose "Start"
    • the command:
      > net start CrashPlanService

2. Unexpected stop

After an unexpected stop of the computer and/or the CrashPlan PRO software, the message "Unable to connect to the - local backup engine - retry?" may appear after launching CrashPlan.

In this case, there may have occurred acorruption in one of the CrashPlan cache files. Clearing the CrashPlan cache is the solution.

Keine Verbindung zu - lokalem Sicherungsdienst Niet mogelijk te verbinden met de lokale backup machine