FIXED: The tag present in the reparse point buffer is invalid

Contents
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Issue / Fault definition
OneDrive error “The tag present in the reparse point buffer is invalid”
Impact
OneDrive has issues syncing particular folders and is slow to sync
Known / associated error messages
OneDrive error “The tag present in the reparse point buffer is invalid”
Known Fixes / Solutions
- Press Windows key + R to open up a Run dialog box.
- Inside the Run box, type ‘cmd’, then press Ctrl + Shift + Enter to open un an elevated Command Prompt. Open up an elevated CMD prompt
- When you’re prompted by the User Account Control window, click Yes to grant administrative privileges.
- Once you’re inside the elevated command prompt, type the following command and press Enter to initiate a file dependency cleanup using the Check Disk Utility: chkdsk c: /f
- Next, you will be asked to confirm the operation. Do this by typing the letter Y and by pressing Enter.
- Wait until the operation is complete, then restart your PC and see if the “tag present in the reparse point buffer is invalid” error is now fixed.