We has a weird issue in our Windows server 2008 R2 and Windows server 2012 R2, have extended the disk size in VMware vSphere from 200 up to 300 GB size, there is no issue while doing this and Disk Management Windows GUI showing the disk size correctly, even DISKPART and Disk Manager report the correct size with total space / free space, however Windows Explorer misses increased 100GB and reporting an incorrect size/free space.
Also Read: Recommended RAID configuration and Disk Space for domain controller
We have done this many time without any issues and why now Windows Server showing wrong disk size/usage in file Explorer, Shadow copies parameters are still the same. Run CHKDSK but no errors were found.
Below solution helped to fix the issue On Windows Server 2008 R2
After deep investigation able to find the cause of the problem
Quota Properties in File Server Resource Manager was set to limit the disk usage to 200GB, able to resolve the issue by re-configuring Quota
Also Read:Active Directory Features in Windows Server 2012
Below solution helped to fix the issue On Windows Server 2012 R2
Same issue and solved using different solution, yes just used below DISKPART command to fix the issue on windows 2012
- DISKPART
- List volume
- Select volume <issue Volume number>
- extend filesystem
Also Read: Difference between windows server 2008 and 2012
Now you able to see the correct disk size in Windows Explorer and disk management console, hope this will help you to understand and fix the issue
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