Symptoms
On attempt to create a user with "apostrophe" (') symbol in its login the following error appears:
user'user@domain.onmicrosoft.com
(Username (login) can contain any letters, digits, hyphens, at-sign (@), dots and underscores, length must be in range from 3 to 254)
This error appears in case CCPv1 and REST request. Same time, users with apostrophe
symbol can be created in CCPv2.
Cause
Software-related issue #APS-41527: "apostrophe" (') is not allowed in service user login".
Resolution
Feature request POA-109654 "support of special characters in email addresses." was submitted to the development team, however $ symbol is currently not supported. Please contact TAM or pta@odin.com in order to trace the status of the request.