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

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

Thanks, Mike. I think that may be the next step - to take the LTM out of the picture to see if we have any issues sending data directly to one of the CAS servers.

 

The migration batch shows that it has transferred gigs and gigs of data, however we open one of the user reports to get additional detail it shows that zero messages have been transferred.

 

I understand that the rates get throttled by Microsoft, however I think we should see better than 20MB / hour.

 

Aviv's avatar
Aviv
Icon for Cirrus rankCirrus
Apr 08, 2017

Hi ! i had similar issue. microsoft had removed ddos protection to my tenant while migration and the speed was much better.