[**Articles, Blogs, Videos, Podcasts, Share projects - Experiences from the field**](https://community.servicenow.com/community?id=community%5Fblog&sys%5Fid=14e51965db2200d013b5fb24399619fb)

Hi there,

Another release is available since a few months: **Yokohama**. With a new release, also a short Webassessor blackout period will take place. Seeing the past few releases, a high amount of questions got raised on why no exams could be booked, exams vanished from Webassessor, or what the duration of the blackout period was.

**Webassesor blackout period**

**July 16th - July 22nd, 2025**

During this period you will not be able to book any new exams. At this moment you can still book exams, though not on the time period mentioned.

When trying to book an exam between July 16th and July 22nd, you might experience that Webassessor visually looks empty, the exams look to have vanished! It's just temporary. Or you might just have passed all exams successfully 🙂.

Webassessor:
_"Vouchers expiring between July 16, 2025 and July 22, 2025 will be extended to August 31, 2025\. This extension will not be reflected in your Now Learning account."_

**Exam version**

During the Webassessor blackout period, all exams versions are updated to the new release. So up to the Webassessor blackout period, all exams will still be on the Xanadu release. After the Webassessor blackout period, all exams will be on the Yokohama release!

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Kind regards,

**Mar** **k Roethof**

_Independent ServiceNow Consultant_
_10x ServiceNow MVP_

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[LinkedIn](https://www.linkedin.com/in/markroethof/)