This article applies to PRTG Network Monitor 7 to 19.4.53

Securing PRTG Core Server–related Information Stored in the Windows Registry

To secure the PRTG core server–related information stored in the Windows registry, you must change the access rules for the following registry keys:

There are three ways to set access rules for the related registry keys:

• Manually set permissions in the Registry Editor
• Use the script we provide
• Change the group policies permissions

Manually Set Permissions in the Registry Editor

• Open the Registry Editor.
• Navigate to the correct registry key:
  • 32-bit: HKEY_LOCAL_MACHINE\SOFTWARE\Paessler\PRTG Network Monitor\Server\Core
  • 64-bit: HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Paessler\PRTG Network Monitor\Server\Core
• Right-click Core and select Permissions.
• Click Advanced and then Disable inheritance.

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• If prompted, select Remove all inherited permissions from this object.

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• Click OK to close the Advanced Security Settings for Core dialog (this may remove all users and groups from Core).
• Add the following users and/or groups:
  • SYSTEM
  • Administrators
  • The user account the PRTG core server service is running under (if applicable)
• Set the permission Full Control for all users you just added.

Use the Script We Provide

Click here to download the script. The download will start automatically.

Requirements

• Administrator rights
• PowerShell 3.0 or later
• PowerShell or command line

Follow the steps described under “How to run?” to execute the script.

Change the Group Policies Permissions

• Open the Group Policy Management Editor.
• Expand Computer Configuration | Policies | Windows Settings | Security Settings | Registry.
• Right-click Registry and select Add Key.
• In the Select Registry Key dialog, expand Paessler | PRTG Network Monitor | Server.
• Select Core and click OK.
• Configure the appropriate permissions and click OK.

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• Make the corresponding selection in the Add Object dialog and click OK.

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• The settings have to look like this:

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