Synchronization with Folder Sync 1.14 fails for all Office 365 mailboxes with error : Error connecting to Exchange PowerShell
Article ID: 100053730
Updated On:
Description
Error Message
2022-08-09 11:33:32.537 [(T04) VSLLC:CustomSynch:AsProcess00:JobQueue(1459)] - Wrote eventlog: Error [10091] Error connecting to Exchange PowerShell.
Cause
ExchangeOnlineManagement PowerShell module is not installed on the server where Folder Sync 1.14 is installed. This module is required for Folder Sync to connect to Office 365 tenant using Modern Authentication.
This can be seen in the Foldersync.yyyy-mm-dd.00.log.
2022-08-09 00:00:26.304 [(T03) VSLLC:CustomSynch:Worker00:Schedule(0)] - Begin executing command: Get-Module -Name 'ExchangeOnlineManagement'
2022-08-09 00:00:26.304 [(T03) VSLLC:CustomSynch:Worker00:Schedule(0)] - Finished executing command.
2022-08-09 00:00:26.304 [(T03) VSLLC:CustomSynch:Worker00:Schedule(0)] - Required Powershell Cmdlet failed to import: ExchangeOnlineManagement
2022-08-09 00:00:26.320 [(T03) VSLLC:CustomSynch:Worker00:Schedule(0)] - Wrote eventlog: Error [10106] A required PowerShell module has failed to be imported.
Powershell module: ExchangeOnlineManagement has not been imported.
Failed sync of Online Exchange mailbox list.
Resolution
Install the ExchangeOnlineManagement module on the server where Folder Sync 1.14 is installed.
1. Launch PowerShell as an Administrator.
2. Run the command 'Install-Module ExchangeOnlineManagement'.
Issue/Introduction
