Maintain control of your Microsoft Office 365 email data
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Full Name: Don Woodward

Slow pulling down in 3.0 for first full

Post by dwoodward » Apr 06, 2019 12:17 am

We just installed Veeam Backup for Office 365 today - version 3.0 - customer has a "hybrid" deployment. So far it is running very slow pulling down from Microsoft (3.3Mbs on test job of two users - it's running in the KBs on the full) - the customer has 100Mbs internet. I saw we could ask Microsoft to increase the EWS throttling rate. We requested this and are waiting on the change to occur. Has anyone else encountered this and did you request an increase and did it help? My customer has about 10TB with about 2TB email and 8TB public folders - at the current rate this is going to take forever.

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Full Name: Niels Engelen

Re: Slow pulling down in 3.0 for first full

Post by nielsengelen » Apr 07, 2019 8:21 am

The initial backup mostly depends on the network towards Microsoft but changing those values via them will help a lot.

Could you tell a bit more about the setup on the VBO server in terms of CPU/mem/disks/...?
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Mike Resseler
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Full Name: Mike Resseler
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Re: Slow pulling down in 3.0 for first full

Post by Mike Resseler » Apr 08, 2019 8:51 am

Another item... Are those slow numbers on the job with two test users? And do they have lots of (small) items inside? Because if that is the case, it means throttling will be almost instantly. And in that case our "system" to avoid throttling (at least as long as possible because you can't avoid it entirely) will not be able to work. Another thing here (with the two test users) is that you probably need to lower the amount of threads because you are doing too much connections at the same time, causing the throttling to happen faster.

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