Update Rollup for Azure File Sync Agent – April 2019

This article describes the issues that are fixed in the Update Rollup for Azure File Sync Agent that is dated April 2019. Additionally, this article contains installation instructions for the update.

• This update is available for Windows Server 2012 R2, Windows Server 2016 and Windows Server 2019 installations that have Azure File Sync agent version 4.0.1.0 or later installed.
  
• The agent version of this update rollup is 5.2.0.0.
  
• A restart may be required if files are in use during the update rollup installation.
  

Update rollups for the Azure File Sync Agent are available from Microsoft Update and by manual download. 

Notes

• If the Azure File Sync agent is not currently installed on a server, use the agent installation package on the Microsoft Download Center. The agent installation package on Microsoft Update and Microsoft Update Catalog is intended for agent upgrades only.
• To update existing agent installations, run AfsUpdater.exe (located in the agent installation directory) or download and install the update from Microsoft Update or Microsoft Update Catalog. 

Microsoft Update

To get and install an update package from Microsoft Update, follow these steps on a server that has Azure File Sync agent installed:

1. Click Start, and then click Settings.
2. In Settings, click Update & security.
3. In the Windows Update window, click Check online for updates from Microsoft Update.
4. Verify the update rollup package is listed and then click Install now.
   

1. Click Start, and then click Control Panel.
2. In Control Panel, double-click Windows Update.
3. In the Windows Update window, click Check for updates.
4. Click Important updates are available.
5. Verify the update rollup package is selected, and then click Install.

Update Rollup for Azure File Sync Agent: April 2019 (KB4481061)

To manually install the update package, run the following command from an elevated command prompt:

• msiexec.exe /p packagename.msp REINSTALLMODE=OMUS REINSTALL=StorageSyncAgent,StorageSyncAgentAzureFileSync,StorageSyncAgentGuardFilter,StorageSyncAgentUpdater /qb /l*vx storagesyncagentupdate.log

• msiexec.exe /p StorageSyncAgent_WS2016_KB4481061.msp REINSTALLMODE=OMUS REINSTALL=StorageSyncAgent,StorageSyncAgentAzureFileSync,StorageSyncAgentGuardFilter,StorageSyncAgentUpdater /qb /l*vx storagesyncagentupdate.log

How to perform a silent installation for a new agent installation 

To perform a silent installation for a new agent installation that uses the default settings, run the following command at an elevated command prompt: 

msiexec /i packagename.msi /qb /l*v AFSv5Installer.log 

For example, to install the Azure File Sync agent for Windows Server 2016, run the following command: 

msiexec /i StorageSyncAgent_V5_WS2016.msi /qb /l*v AFSv5Installer.log 

Note: Use the /qb switch to display restart prompts (if required), agent update, and server registration screens. To suppress the screens and automatically restart the server (if required), use the /qn switch.

Note: To perform a silent installation with custom settings, follow the steps documented in KB4459986.