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How to change MS-Office 365 Service URL to support regional and govt. services

Article ID: 913
Last updated: 28 Jul, 2022

Applies to:

Imagicle UC Suite or UC Cloud Suite ver. 2022.Summer.1 and above


Some regional entities and US Govt. Defence are using Office 365 email services different than standard worldwide "" service. This KB describes how to change from standard O365 domain to a specific one, as per customer choice.


Please access to Imagicle UC Suite through a RDP session and edit the following file with Notepad or N++:

C:\Program files (x86)\StonevoiceAS\apps\stonefax\Server\System\stonefax.ini

Check for parameters section called [EwsOAuth_Parameters] and amend the following items, according to desired regional service:

  • ServerUrl=
  • AuthenticationUrl=

Save file and restart Digital Fax service from web portal service and proceed with standard O365 OAuth2 web portal configuration: Digital Fax ⇒ Application Settings ⇒ Outgoing Faxes


In case of errors while connecting and/or authenticating against the regional O365 service, please have a look at the following log file: C:\Program files (x86)\StonevoiceAS\var\log\StoneFax.Core.Service\ApplicationSuite.log

Article ID: 913
Last updated: 28 Jul, 2022
Revision: 1
Views: 150
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