By Ivy / Last Updated September 10, 2020

Situations to Windows 10 Sync Center not working

Do you sync files with Windows 10 Sync Center? If you sync offline files with Sync Center in home version, you may encounter Sync Center not working in Windows 10. The offline files feature is only available in the Pro, Enterprise, Education edition. It’s the simplest reasons. Besides, I will list the possible situations in the following.

  • Enable offline files greyed out.

  • Windows 10 always available offline missing.

  • Windows 10 folder redirection offline files not syncing.

  • Offline files service cannot be activated Windows.

  • Files do not sync.

How to fix Windows 10 Sync Center not working?

Before you start any operation, you need to create a disk backup for your computer. Some of the following operations may lead to data loss. In addition to fix "Windows 10 Sync Center not woking" issues, you can use a reliable sync software as replacement. It's much simple and easy-to-use.

# Fix Enable offline files greyed out

To fix this problem, you can choose to enable Opportunistic Locking or reinitialize the offline files cache

Solution 1. Enable Opportunistic Locking

Step 1. Press Win + R to summon the Run window, type regedit.exe in the box and then click OK.

Step 2. Navigate to following registry subkey and Create a new REG_DWORD titled EnableOplocks and set it to 1.



Step 3.Navigate to following registry subkey and Create a new REG_DWORD titled OplocksDisabled and set it to 0.



NOTE: Create a new key titled Parameters if it does not exist under MRXsmb

Step 4.Exit Registry Editor and Restart the computer

Solution 2. Reinitialize the Offline Files Cache

Step 1. Click Start, type registry in the Start Search box, and then press Enter. If you are prompted for an administrator password or a confirmation, type the password or click Continue.

Step 2. Navigate to the following registry subkey, then right-click it, select New and Key from the context menu, type Parameters in the key box.


Reinitialize the Ofline Files Cache

Step 3. Right-click Parameters, select New and DWORD (32-bit) Value, then type FormatDatabase in the box.

Step 4. Right-click FormatDatabase, hit Modify and type 1 in the Value data box, then press OK to exit this window.

Step 5. Exit Registry Editor, and then restart the computer.

# Solve Windows 10 always available offline missing

Solution 1. Do not use D-link network storage device.

If you use a network storage device which does not support offline files, Windows 10 always available offline will not appear on the context menu. D-link is one of the network storage devices which does not support offline files. If this is the case, you can choose to use a different storage device.

Solution 2. Remove Credential on your computer.

If you check Remember my credentials when you connect to a NAS storage device, Windows 10 always available offline will miss.

To fix it, you can follow the steps below.

Step 1. Type Credential Manager in the search box and select it.

Step 2. Click Windows Credentials under the Manage your credential tab, select the credential for you host and Choose Remove option to delete the credential.

Manage Your Incredentials 2

# Windows folder redirection offline files not syncing - fixed

If your network share enable continuous availability, then no users can make any shared folders available offline, not even manually and not just limited to redirected folders.

To make files available offline, you should uncheck Enable Continuous availability.

Redirected Folder

# Offline files service cannot be activated in Windows - Solved

Step 1. Type Control panel in the search box and choose it.

Step 2. Click drop-down menu at the right side of View by option and choose Small icons, then select Administrative tools and Services option.

Step 3. Find Offline Files service, right-click it and choose Start.

Start Offline Files Service

# Files do not sync - how to fix?

In Group Policy, there are some files cannot be synced by default. These files are always with file extension like.mdb, .ldb, .mdw, .mde, .db.

To sync these files, you can disable offline files not cached with GPO. The detailed steps are below.

Step 1. Type group policy in the search box and choose Edit Group Policy.

Step 2. Find the following Group Policy setting in Local Group Policy Editor, right-click it and select Edit from its context menu, then disable the file extension.

Computer Configuration\Administrative Templates\Network\Offline Files\Files not cached

Files not Cached

How to sync files with a reliable third-party tool?

Windows 10 Sync Center is aimed to help you sync files between the network server and your computer. However, you may encounter: Windows 10 Sync Center missing. In this case, you can replace it with a similar file sync software like AOMEI Backupper Professional.

Like Sync Center, AOMEI Backupper can also help you sync files from network to local computer. Also, you can sync files/folders to network drive, cloud drive, NAS, external hard drive, USB, etc. Besides, you can sync files at daily, weekly, monthly. Also, you can do real-time file sync, which will keep all the changed files in the first time.

Step 1. Download AOMEI Backupper Professional, install and launch it.

Step 2. Click Sync and Basic Sync subsequently.

File Sync

Tips: To sync all files immediately, including modified, newly added, and deleted files, you may use Real-Time Sync.

Step 3. Click Add Folder > Share/NAS > Add Network Location subsequently and then select files or folder you want to sync to your computer.

Add Folder

Step 4. Select a destination path for your files or folders. At last, click Start Sync to begin.

Add Sync Destination


Speaking of Windows 10 Sync Center not working, you may feel terrible. It may stop working owing to different reasons. Then, you will spend much time in fixing it. Instead of this, you’d better consider using a reliable third-party tool like AOMEI Backupper Professional.

With AOMEI Backupper Professional, you can sync files without any obstacle. Besides, it still offer you additional features, such as, USB plug in, Real-time Sync, disk space manager, etc. More so, it allows you to deploy image to multiple computers over network in advanced version, such as, AOMEI Backupper Workstation, AOMEI Backupper Server.