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Release: Australia · Updated: 2026-03-12 · Official documentation · View source

Enable chat access for guest users

Enable chat access for a guest user while configuring ServiceNow® for Microsoft Teams settings for a self-configured app.

Before you begin

Role required: External admin (external_app_install_admin)

Procedure

  1. Navigate to All > ServiceNow for Microsoft 365 > Teams Guest User Chat Configuration.

  2. On the form, fill in the fields.

FieldDescription
Tenant IDDirectory \(tenant\) ID from the application overview page in the Microsoft Azure portal. Use the ID value to update details in the ServiceNow instance.
Tenant full nameFull domain name of the tenant or host. For example, account1.onmicrosoft.com.
Enable Guest access

Option to enable the Client Credentials token to fetch user type details that were set during the process of Enable authentication of guest users.

If you do not select this option, an error occurs when the guest tries to start or import a Microsoft Teams chat.

Note: When the guest access is enabled, the sn_tcm_collab_hook.MS_Teams_Chat_App_Credentials value in the sys_alias table configured in Connection & Credential Aliases fetches the Azure user details. When the guest access is inactive, the sn_tcm_collab_hook.MS_Teams_Chat_Credentials value in the sys_alias table configured in Connection & Credential Aliases fetches the Azure user details.

Allowed Guest domainsThe guest user domains where invited guests can start or import a chat. Only the tenants in these domains can start or import a chat. List multiple guest domain names as comma-separated values.
  1. Select Submit.

Result

Guests belonging to the selected guest domains can start or import chats.

Parent Topic:Request-based chat access for a guest user