You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

aixxo Author

Level 1

6 points

exFAT mounting problem

Hi, I'm trying to mount an exFAT harddrive via usb. The disk is recognized and show in the disk utility, but i cannot activate it. The only error I get is in the Console :

28.02.11 20:38:36 kernel exfat: bytes per cluster (4194304) > MAXBSIZE (1048576). Can't mount.

Any chance of getting access to the drive? It mounts perfectly under Windows 7.

Thanks!
Regards,
aixxo

Macbook Pro, Mac OS X (10.6.6)

Posted on Feb 28, 2011 11:50 AM

17 replies

Claire.V

Level 1

0 points

Jul 7, 2015 1:41 PM in response to aixxo

@Aixxo

Thanks so much! Just the answer I needed! you rock!

😁

BOOOurnz

Level 1

0 points

Feb 23, 2016 10:00 PM in response to aixxo

I'm on OS X El Capitan 10.11.3 now and I have formatted my external drive (using Windows) to exFAT with a cluster of 1024 with no luck reading on my macbook pro. Do you happen to experience this issue now?

exFAT mounting problem

Welcome to Apple Support Community

A forum where Apple customers help each other with their products. Get started with your Apple Account.

Learn more Sign up