Is there a way to allow for a service account to call the TEWS SOAP API?
Use case required a use a regular account with more limited permissions instead of using Admin.
Configuration which will allow you to impersonate the imadmin permissions with a regular user.
Access the IM Management Console. \Home\Environments\<your environment (ie., identityEnv)\Advanced Settings\Web Services
Check Enable Admin_ID (Allow impersonations)
Enable admin_id (allow impersonation)
Specifies whether TEWS supports impersonation.