Category Archives: Identity Management

Azure AD Cross-tenant synchronization in public preview

Microsoft opened the public preview for the new cross-tenant synchronization, which enables automatic provisioning and lifecycle management of user accounts across tenants. This function simplifies a number of the previous challenges for multi-tenant organizations that need close collaboration between employees with easy sharing of both data and applications across tenants. This new feature expands the… Read More »

Resolving "Unable to retrieve proxy configuration data from the Federation Service" WAP fail (Event ID 422)

Recently I encountered a Web Application Proxy (WAP) server that was stuck in a failed state after changes to the ADFS backend service. In the Remote Access crimson log on the WAP server, an event 422 error appeared once every minute, showing that the WAP server could not retrieve proxy configuration from the ADFS backend… Read More »

Important security update released for ADFS 3.0

A new February 9, 2016 update resolves a vulnerability in Active Directory Federation Services (ADFS). If an attacker successfully exploits this vulnerability, by sending certain input during forms-based authentication to an ADFS server, this can cause the server to become nonresponsive. The new update addresses the vulnerability by adding additional checks on input data during… Read More »