Unable to Mount NTFS File System in Linux – Complete Troubleshooting Guide 📅 Last Updated: August 2026 This article has been completely reviewed and updated for modern Linux distributions including Oracle Linux, Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, AlmaLinux, Ubuntu, Debian, Fedora, and SUSE Linux. It now covers NTFS mounting using both the Linux ntfs3 kernel driver and ntfs-3g , along with production troubleshooting, Windows Fast Startup issues, filesystem repair, and Linux administrator best practices. One of the most common filesystem issues Linux administrators encounter is the inability to mount an NTFS partition. The problem often occurs after connecting a Windows hard disk, USB drive, SSD, or dual-boot system. Typical errors include: Unable to mount NTFS filesystem The NTFS partition is in an unsafe state. Mount is denied because the NTFS volume is already exclusively opened. Failed to mount '/dev/sdb1' Although the...