The Get-CsPhoneNumberAssignment cmdlet's page size limit is being updated to a maximum of 1,000 numbers per query. Starting January 6, 2025, requests exceeding this limit will result in an error. Organizations should adjust their requests accordingly to avoid issues.
To maintain the best performance and reliability of our service, we are updating the page size limit for the phone number retrieval API (Get-CsPhoneNumberAssignment cmdlet) to a maximum of 1,000 numbers per query.
When this will happen:
General Availability (Worldwide, GCC): We will begin rolling out early January 2025 and expect to complete by mid-January 2025.
How this will affect your organization:
From January 6, 2025, any request with -Top parameter exceeding 1,000 will result in a "Bad request." Please ensure that your Get-CsPhoneNumberAssignment requests do not surpass this limit. If the intended operation is to export your numbers, please use https://learn.microsoft.com/en-us/powershell/module/teams/export-csacquiredphonenumber?view=teams-ps
What you need to do to prepare:
Please ensure that your Get-CsPhoneNumberAssignment requests do not surpass this limit.