← Back to Knowledge Base

KB #240049: Error 5172 ‘FILE SIZE Property is incorrect’ when attaching a database

⏱️ 1 min read

Type:

Fixed

Summary:

Under certain conditions you may get the following error when attempting to attach an encrypted database:Error 5142: The header for ‘northwnd.mdf’ is not a valid database header.
The FILE SIZE property is incorrect.

Additional Information:

This is a rare error, and has been fixed in driver versions nlem*.sys  v2005.201.11.0 or later. We recommend that you contact us if you have this issue with a newer version and still experience this error.

Related Topics:

240051: Database becomes suspect when used with some Anti Virus Software

Was this article helpful?

Related Articles

KB #240059: Error: “Invalid path or file name”

Type: Known Issues Summary: When installing API’s or running any Encryptionizer Utility, you receive an…

KB #240068: How to run the Support Diagnostic

Type: Information Summary: This article describes how to download and run the NetLib Support Diagnostic,…

KB #240051: Database becomes suspect when used with some Anti Virus Software

Type: Fix Summary: Recent changes in some versions of Virus Scanners (Anti-Virus) have required changes…

Still need help?

Our support team is here to assist you.

NetLib Security
AI Assistant · Online
Hi! I'm the NetLib Security assistant. I can answer questions about our encryption solutions, HIPAA compliance, Encryptionizer, and more. How can I help you today?