Validation of viewstate MAC

Technical Note 77196

Architectures:

All

Component:

lms

Updated:

10/19/2020 9:47 AM

Introduction

When submitting a registration, there is a message similar to

Server Error in '/' Application 
Validation of viewstate MAC failed [...]

Possible solution

Try registering again.

Background

The validation is related to standard web security checking. Failure can be caused by communication issues such as delay at inopportune times.

All product names are trademarks or registered trademarks of their respective owners.

We do no longer support Internet Explorer. To get the best experience of iar.com, we recommend upgrading to a modern browser such as Chrome or Edge.