Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

David_Rudich_79's avatar
David_Rudich_79
Icon for Nimbostratus rankNimbostratus
Apr 22, 2015

Office 365 Migration

We setup a hybrid environment between two Exchange 2013 CAS servers and Office 365 and we're trying to migrate mailboxes to O365.   The two Exchange 2013 CAS servers are behind a pair of F5 LTM ap...
application delivery
cloud
LTM
microsoft
performance
mikeshimkus_111's avatar
mikeshimkus_111
Historic F5 Account
Apr 22, 2015

Hi David, I've done some very basic testing here and saw about 100-200 MB/hour transfer rates. I know that O365 will automatically throttle back the transfer depending on network conditions, and that a mailbox with many small messages will take longer than one with fewer large ones, due to the pre-transfer indexing.

 

Is it possible to point the migration directly at one of the CAS, to take LTM out of the picture?