Troubleshooting Acronis Activation Issues Due to Hosts File Blocking 'block acronis activation host'

Are you encountering difficulties activating your Acronis license? One possible cause that often goes overlooked is hosts file blocking, which can prevent communication between your computer and the necessary Acronis servers. In this article, we'll guide you through resolving this issue in a step-by-step manner.

Why Does Hosts File Blocking Cause Activation Issues?

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The hosts file acts as an essential component of network configuration on Windows operating systems (and other platforms). It maps domain names to IP addresses for local resolution before consulting public DNS servers. However, when certain domains are blocked or blacklisted in the hosts file, it can lead to connectivity problems with various online services, including Acronis activation.

Symptoms and Signs

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Before diving into troubleshooting steps, familiarize yourself with potential signs that indicate a hosts file issue might be at play:

1. Failed Activation Attempts: When attempting to activate your Acronis license through the program's interface or via command-line tools, you consistently receive error messages without any clear explanation.

2. Inability to Reach Online Resources: Try accessing other online resources like websites or email clients using different browsers/clients; if they load fine but not just one specific resource (Acronis activation server), it could indicate hosts file tampering.

Resolving the Issue

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To resolve this issue, follow these steps:

1. Locate and Backup Your Hosts File

1. Press Win + R to open Run.

2. Type `notepad %UserProfile%\.config\Acronis\Activation` (or the actual path where your hosts file is located) and press Enter.

Alternatively, you can manually navigate through these paths:

- Windows Vista/7/8: `%AppData%\Roaming\Acronis\Activation`

- Windows 10+: `C:\Users\'YourUsername'\AppDataLocal\Acronis\Activation`

2. Edit the Hosts File

Once you've located and opened your hosts file, look for lines containing these entries:

```

# Acronis activation servers

127.0.0.1 acdn-*.akamaihd.net

127.0.0.1 *.acrosync.com

```

3. Remove or Comment Out the Problematic Lines

- Double-click on each line and press Delete to remove it entirely.

- Alternatively, add a # symbol at the beginning of each line followed by Enter (like `# 127.0...`) to comment them out without permanently deleting.

4. Save Changes and Restart Your Computer

5. Attempt Activation Again

If after completing these steps you're still unable to activate your Acronis license, consider reaching out for further technical support from the manufacturer's customer service team or forums for additional guidance specific to your situation.

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