Policy
Turn off file synchronization via SOAP over HTTP
This policy setting controls file synchronization via SOAP over HTTP for Excel. If you enable this policy setting, file synchronization via SOAP over HTTP is turned off for Excel. If you disable or do not configure this policy setting this policy setting, file synchronization via SOAP over HTTP is turned on for Excel. Note: Turning off file synchronization via SOAP over HTTP will adversely affect the behavior of SharePoint Workspaces.
236c515405d3 L_TurnOffFileSynchronizationViaSOAPOverHTTP Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\common\internet\fsshttpoffexcel (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\common\internet\fsshttpoffexcel (disabled) = 0 Policy notes
This policy setting controls file synchronization via SOAP over HTTP for Excel. If you enable this policy setting, file synchronization via SOAP over HTTP is turned off for Excel. If you disable or do not configure this policy setting this policy setting, file synchronization via SOAP over HTTP is turned on for Excel. Note: Turning off file synchronization via SOAP over HTTP will adversely affect the behavior of SharePoint Workspaces.