Aae Error 9416 Updated May 2026

AAE Error 9416

Understanding and Resolving AAE Error 9416 in Pro Tools is a common disk-related error in Avid Pro Tools that occurs when the software cannot retrieve audio data from your storage drive fast enough to maintain playback or recording . It typically triggers a "PCI bus contention" or "Disk too slow" warning, interrupting your creative workflow. Primary Causes of Error 9416

Monitoring and postmortem

Preventing AAE Error 9416 in Future Sessions

Contact Adobe support with logs

Immediate user-facing mitigations

Windows: NTFS, not FAT32/ExFAT
macOS: APFS or Mac OS Extended (Journaled) – avoid case-sensitive
Never record to system drive or network drive

Set Disk Cache to at least 10 GB (not Normal)
Use an internal NVMe SSD for active sessions
Disable Spotlight indexing on the audio drive
On Apple Silicon, test both Rosetta and Native mode – one may eliminate the error
Downgrade to Pro Tools 2023.6 if the error appeared after an update (some users report 9416 as a regression in 2023.9+)

Cache set too low for session size
Cache set to "Normal" instead of a specific size