Hello,
I'm looking at my retention points with Teams explorer and I don't see any files when I'm looking on my Teams -> general -> post or Files section from the 3 april.
Backup until 2 april are ok and contain data but nothing from the 3 april.
Is it because of this : https://www.veeam.com/kb4322 ?
I can see data on the Sharepoint explorer but when I try to restore it, I can't open the file.
What does that mean exactly ?
Is it not anymore possible to backup Teams without using the Microsoft paid API ?
Should it not be possible to restore teams data from Sharepoint explorer and expect it to work ?
I don't know if I have to open a support ticket or if it's the expected result. I'm waiting an answer to know it.
I'm using modern authentication only.
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Re: Teams don't backup files
Hi matteu,
Export APIs only impact backup of channel messages. Team files are protected regardless of the way you protect posts/chats.
If a team is included in a backup job, its files should be protected with or without using Export APIs. And these files are available for restore only with Veeam Explorer for Microsoft Teams.
Team site and files within it would be visible in Explorer for SharePoint, if the site is explicitly added to the backup job.
Makes sense?
Export APIs only impact backup of channel messages. Team files are protected regardless of the way you protect posts/chats.
If a team is included in a backup job, its files should be protected with or without using Export APIs. And these files are available for restore only with Veeam Explorer for Microsoft Teams.
Team site and files within it would be visible in Explorer for SharePoint, if the site is explicitly added to the backup job.
Makes sense?
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Re: Teams don't backup files
It doesn't make any sense for my issue 
I have the issue about Exchange backup (IPM) and files not backuped any more since I have IPM message errors...
On older restore point, I can see general -> Posts + General -> Files.
On newer restore point, It's empty on Posts + Files.
What could explain it ?
For Teams + Sharepoint I have 2 dedicated job . 1 Teams for all Teams in the organization. 1 Sharepoint for all sharepoint except personnal sites.
I can see the "recent" restore point files only on sharepoint explorer but if I try to restore them, I can't open them.
Edit : I just apply the Veeam fix for IPM exchange now, execute again the Teams backup job and now I can see again the files... There is necessary something related... Several days without any files in the backup job (since IPM issue), now I apply the IPM fix and it's "working" again.

I have the issue about Exchange backup (IPM) and files not backuped any more since I have IPM message errors...
On older restore point, I can see general -> Posts + General -> Files.
On newer restore point, It's empty on Posts + Files.
What could explain it ?
For Teams + Sharepoint I have 2 dedicated job . 1 Teams for all Teams in the organization. 1 Sharepoint for all sharepoint except personnal sites.
I can see the "recent" restore point files only on sharepoint explorer but if I try to restore them, I can't open them.
Edit : I just apply the Veeam fix for IPM exchange now, execute again the Teams backup job and now I can see again the files... There is necessary something related... Several days without any files in the backup job (since IPM issue), now I apply the IPM fix and it's "working" again.
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- Veeam Software
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Re: Teams don't backup files
matteu,
Since I haven't heard yet about any similar issues, I cannot explain what could even potentially go wrong in your case. Can you open a support case to let our engineers troubleshoot it? If needed, I'll escalate it to RnD.
Thanks!
Since I haven't heard yet about any similar issues, I cannot explain what could even potentially go wrong in your case. Can you open a support case to let our engineers troubleshoot it? If needed, I'll escalate it to RnD.
Thanks!
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Re: Teams don't backup files
There is nothing wrong anymore.
Maybe my english is too bad but it's working fine now since I apply the IPM fix + execute new teams backup job.
Maybe my english is too bad but it's working fine now since I apply the IPM fix + execute new teams backup job.