An attached disk is not recognized in a Windows virtual machine

Solution

1. Try the following steps:

2. Open Disk Management and bring the attached disk online.

3. Initialize the disk, then format and partition it. The disk is recognized successfully.

4. Open a DOS prompt in the virtual machine and run the following commands in sequence to configure the disk offline prevention policy:

   DOS> DISKPART
   DISKPART> san
   DISKPART> san policy=onlineall
   DISKPART> exit