Errors in shared files servers / NAS

To find what user has a file open preventing another user from opening a needed file. Here are a few ways to check:

• Someone has a file inside open (Excel, PDF, etc.)

• Antivirus scanning it

• Backup software

• Indexing service

• Your own File Explorer preview pane

✅ Method 1 — From the NAS (Best way)

If your NAS is Windows-based or joined to AD:

On the NAS server:

1. Open Computer Management

2. Go to: System Tools → Shared Folders → Open Files

3. Look for:

   Wright, Kiara - Centerpoint Bill

4. You’ll see:

   • Username

   • Computer name

   • Open mode (Read/Write)

👉 You can right-click → Close Open File (be careful, it can interrupt users)

✅ Method 2 — Using PowerShell (from your machine)

If you have admin rights on the NAS:

Get-SmbOpenFile -CimSession NASNAME | 
Where-Object {$_.Path -like "*Centerpoint Bill*"} |
Select-Object ClientUserName, ClientComputerName, Path

👉 Replace NASNAME with your server name

✅ Method 3 — Using Command Prompt

openfiles /query /s NASNAME /v

⚠️ Note:

• Requires admin rights

• May need this enabled on the NAS:

  openfiles /local on

✅ Method 4 — Check Active Sessions

Sometimes the folder isn’t “open,” but a user session is holding it:

In Computer Management → Shared Folders → Sessions

You’ll see:

• Who is connected

• From what computer