FewCookies

Cookie glossary · Strictly necessary

What is the ARRAffinity cookie?

Azure App Service affinity cookie for routing requests to the same instance. It is set by Microsoft Azure and classified as "Strictly necessary". No consent required.

At a glance

Provider Microsoft Azure
Category Strictly necessary
Consent required? No
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises ARRAffinity from our database of 1,300+ known cookies and classifies it automatically as "Strictly necessary". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.

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Frequently asked questions

Do you need consent for the ARRAffinity cookie?

No. ARRAffinity is a strictly necessary cookie, exempt from consent under Article 5(3) of the ePrivacy Directive and Law 506/2004. You may use it without the visitor's prior agreement.

What does the ARRAffinity cookie do?

Azure App Service affinity cookie for routing requests to the same instance.

Who sets the ARRAffinity cookie?

The ARRAffinity cookie is associated with Microsoft Azure and is classified as strictly necessary.