Re: CHKDSK "cannot determine the filesystem"

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Mark V (notvalid_at_nul.invalid)
Date: 04/28/04


Date: Wed, 28 Apr 2004 07:43:34 -0700

In microsoft.public.win2000.registry Frank Haber wrote:

> Here's another seemingly totally benign error, which contains a
> registry string, so I'm posting here...
>
> Yet another of my 2k Pro SP4 machine gives this benign error at
> boot from CHKDSK, whether or not the dirty flag is set on any HD
> partition. The error is always on the 20G FAT32 boot/system C:
> disk, which is a separate physical disk with no other partitions
> on it. The second, slave ATA HD was formatted D:, extended/basic
> NTFS by Win2k.
>
> I've set the ini to /SOS so I can see this, but I'd need a tee
> utility to capture it accurately. As best I can grab it by eye,
> it runs
>
> (system switches from graphical progress bar to console-text)
> checking file system on D:
> the volume is clean
> Cannot determine file system of
> drive\??\volume{46ff....etc....more...hex...clsid..}
> checking file system on C:
> the volume is clean
>
> 1. is this CHDSK talking?
> 2. which volume is it confused about?
> 3. Is it to worry? Just a bad partition type stamp? What?
>
> I forget which utility first partitioned the 20G FAT boot disk,
> but I think it must have been 98SE's FDISK. There are no stray
> diagnostic partitions on the drive, but there is some
> unpartitioned space at the end.
>
> The only thing in the kb I can find refers to clustering setups,
> which this ain't.

I take a stab at it.

Check in Disk Managment that there are no phantom drives and all
looks "normal" including each volume marked as "healthy"

Try using chkntfs.exe to reset the "autocheck" in the registry.
Reboot.

?



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