Maintain control of your Microsoft Office 365 email data
Robvil
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Extremely slow reading from Office 365 cloud

Post by Robvil » Nov 24, 2017 6:41 am

Hi,

I have opened a case, 02394834, on this.

I just noticed my O365 backup takes forever now .... as in 17B/s in transfer speed ... so a simpel incremental never completes.
It has been running fine until 10/13/17. After this date the transfer speed is nearly zero and has never completet as session.

Ohh, it´s not a local bandwidth issue.

Anyone seeing this?

Is Microsoft somehow inforcing speed transfer limits?

Regards
Robert

foggy
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Re: Extremely slow reading from Office 365 cloud

Post by foggy » Nov 24, 2017 12:59 pm

Hi Robert, what Veeam Backup for Office 365 version are you using? Any chance this started to occur after the upgrade? Here's another topic with similar issue for more information.

Robvil
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Re: Extremely slow reading from Office 365 cloud

Post by Robvil » Nov 24, 2017 1:46 pm 1 person likes this post

1.5

It helped to lower the active threads from 64 to 10.
Now 47GB data has been backup.

Mike Resseler
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Re: Extremely slow reading from Office 365 cloud

Post by Mike Resseler » Nov 27, 2017 6:15 am

Robert,

What is the speed that you see now?

Mike
(PS: you might want to play a bit with those active threads. It is difficult to tell you a formula what the ideal thread # is but playing a bit with it until you find the best setting for your environment is certainly my advice)

Robvil
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Re: Extremely slow reading from Office 365 cloud

Post by Robvil » Nov 27, 2017 6:49 am

well, i have a 100Mbit/s internet connection and it is using all bandwidth now, so it looks dine.

Mike Resseler
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Re: Extremely slow reading from Office 365 cloud

Post by Mike Resseler » Nov 27, 2017 6:53 am

Good to hear, although using all the bandwidth is maybe something you also don't want :-)

Note that in 1.5 you can set limits to your bandwidth per proxy: https://helpcenter.veeam.com/docs/vbo36 ... tml?ver=15

Cheers
Mike

Robvil
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Re: Extremely slow reading from Office 365 cloud

Post by Robvil » Nov 27, 2017 6:57 am 1 person likes this post

I know ... i limited it to 80Mbit/s after testing with the new thread count.

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Re: Extremely slow reading from Office 365 cloud

Post by ketan.patel » Aug 21, 2018 3:34 pm

I am experiencing the same issue. Veeam backup for o365 is extremely slow. its backing up hardly 1.5 MB/sec. we have a case 03138546 open with Veeam and they want me to test the bandwwith betweeen the veeam proxy and o365. I played around with threads but no luck.

has anyone beeen experiencing thee same isssue and any work around? Thanks in advance.

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Re: Extremely slow reading from Office 365 cloud

Post by Polina » Aug 28, 2018 11:39 am

Hi Ket,

If you have a minute to share the outcomes of your case investigation and tests, it'd be much appreciated. Was it because of the bandwidth?
Thanks!

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Re: Extremely slow reading from Office 365 cloud

Post by ketan.patel » Sep 06, 2018 7:57 pm

Hi Polina,

Bandwidth between EOL and Veeam proxy aappears to be fine. we have a case open and its not resolved yet. we are still running very low throughput. we have currently 7 jobs running and we are getting only 4-5MB/sec processsing rate. also confirmed with MS and EWS throtteling for our tenant is currently at rest. throttling policy has been disabled for o365 tenant by MS.

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Re: Extremely slow reading from Office 365 cloud

Post by mbraak » Nov 05, 2018 6:30 pm

Any update for us?
i also experience very slow backup performance (sharepoint backup)
Working with veeam and MS support but it seems that it isn't possible to speed up Office 365 Sharepoint backups. This makes Sharepoint useless for larger sites for now.

Looking forward to your reply.

MBR
-MBR-

Mike Resseler
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Re: Extremely slow reading from Office 365 cloud

Post by Mike Resseler » Nov 06, 2018 6:47 am

Hey MBR,

SharePoint indeed cannot be changed from the MSFT side (maybe it can but they won't). We are actively seeking to improve this and are researching different things within R&D. Unfortunately we haven't found a good solution for now. We are using all the best practices from MSFT around connecting to SharePoint Online and downloading data, but as you state yourself, sometimes it is extremely slow.

Do you already have a support case? We can use more logs to investigate and to see what is going on. From the logs we already have, it seems that there probably isn't a one-fit solution. It depends on the situation.

vipthomps
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Re: Extremely slow reading from Office 365 cloud

Post by vipthomps » Nov 06, 2018 7:58 pm

Ketan,

What did you put in as a request with Microsoft to have the throttling policy disabled? Thanks!

Mike Resseler
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Re: Extremely slow reading from Office 365 cloud

Post by Mike Resseler » Nov 09, 2018 6:55 am

Eric,

This works only for Exchange and requires a support call. The problem we see is that MSFT does not want to do this for everyone. We first thought it was depending on your O365 size but that doesn't seem to be the case. What exact parameters they are using to allow or disallow it is not known (and they won't tell us :-))

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Re: Extremely slow reading from Office 365 cloud

Post by tbeekmans » Nov 09, 2018 12:34 pm 3 people like this post

I'm encountering the same problem, SharePoint backups are extremely slow between 30KB/s to 100KB/s, we just transferred 9 GB in 3 days, I opened a case at MS to see if there is any throttling (keep you all updated), bandwidth or resources aren't any issues on our backup server, seems more the limitation on the source or the API, I really think it's really necessary that Veeam and Microsoft get together for this problem, product isn't ready for full backup of large Office 365 SharePoint organisations yet, I tried to backup or complete SharePoint Office 365 organisation around 500GB after 2 weeks I stopped it didn't work.

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