Monday, February 17, 2014

AIOMgr: Preparing flush failed with VERR_NOT_SUPPORTED, disabling async flushes


AIOMgr: Preparing flush failed with VERR_NOT_SUPPORTED, disabling async flushes

If you get error like this while Installing Windows 8.1 as guest OS using Oracle VirtualBox/VirtualMachine

Then check your RAM Allocation for the Guest OS.

Example: First time i gave 5120 (5 GB) of RAM for Guest OS.

while installing i got the error like this in log file

AIOMgr: Preparing flush failed with VERR_NOT_SUPPORTED, disabling async flushes.

Now i changed the RAM size to 4096(4 GB), now the error gone, the guest OS installed successfully.

My Suggestion is to set RAM size in EVEN for this kind of errors.