- CrashPlan PRO
- CrashPlan PROe
This article describes a known issue where the CrashPlan app version 4.3 displays "Unable to connect to backup engine" when installed on Mac OS X v10.6 Snow Leopard. Existing OS X v10.6 computers that upgraded from version 4.2 of the CrashPlan app are not affected by this issue.
If you see the message "Unable to connect to backup engine" on a different operating system or version of the CrashPlan app, refer to Unable To Connect To The Backup Engine.
Version 4.3.x of the CrashPlan app when installed on Mac OS X v10.6
To avoid this issue, upgrade to version 4.3 of the CrashPlan app from version 4.2.
Step 1: Uninstall Version 4.3
- Open the Finder.
- Press Command-Shift-G.
The Go to the folder dialog appears.
- Paste this text into the dialog box:
- Click Go.
- Double-click Uninstall.
- Follow the prompts to complete the uninstall process.
Step 2: Download & Install Version 4.2
Step 3: Upgrade From Version 4.2 to 4.3
- Open the CrashPlan app.
- CrashPlan for Home and CrashPlan PRO upgrade automatically as soon as you sign in.
- If you are a Code42 for Enterprise user, contact your CrashPlan administrator if the upgrade does not start automatically.
- Go to Settings > Account and view the version number to confirm the upgrade succeeded.