AvePoint Cloud Backup for M365 (Exchange permissions) - 21Vianet

AvePoint · a17ecac1-8eed-460e-92db-fb847b0579c0

Application ID
a17ecac1-8eed-460e-92db-fb847b0579c0
Application
AvePoint Cloud Backup for M365 (Exchange permissions) - 21Vianet
Vendor
AvePoint
Publisher
Third-party vendor
Uses EWS
Yes, per a public source
EWS status
Migration announced
Vendor notice
https://www.avepoint.com/blog/manage/october-2026-updates-microsoft-ews-retirement
What to do

AvePoint moved to Graph but still uses EWS for archive, Microsoft 365 Group and public folder mailboxes, and in GCC High, DoD and 21Vianet. Allow-list it and re-authorize the app in AOS.

Sources

Last updated 2026-10-14.