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MC798676 — Change coming to the format of IP addresses containing IPV4 embedded in IPV6 addresses within token claims

MC798676Microsoft 365 suiteplanForChangeUpdated: 4 June 2024

The format of IP addresses embedded in IPV6 within token claims is changing, impacting the 'ipaddr' claim in JWTs. Organizations using custom applications that depend on the string format of this claim need to update their code. The change takes effect on July 8th, 2024. No action is required if there's no dependency on the string format.

Applies to: Microsoft 365 suite
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).