After just finishing an update to a customer’s vCSA, we received the above error. Even Though we had taken a backup and snapshotted the vCSA vm, I got that terrible feeling in my stomach that the update that was just installed destroyed the vcenter server…

It seems it was 100% coincidental and was the result of a recent Chrome update that Google has recently rolled out that includes a pre-released version of Flash Player and which seems to break the vSphere Web client in Chrome.

Here is the workaround

Windows Workaround for Chrome:

  1. Download pepflashplayer.7z available at
  2. Extract the pepflashplayer.dll to a temporary location.
  3. Open C:\Users\%username%\AppData\Local\Google\Chrome\UserData\PepperFlash\\ in File Explorer.
  4. Rename pepflashplayer.dll to pepflashplayer.old.
  5. Copy the pepflashplayer.dll extracted earlier from the temp folder to ‘C:\Users\%username%\AppData\Local\Google\Chrome\UserData\PepperFlash\\
  6. Open the vSphere Web Client in Chrome.
  7. Keep on vCentering…

Here are the workarounds in Firefox on Windows and Mac as well


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