The nuisance error, “The remote server returned an error: (429)” in Veeam Backup for Microsoft 365 indicates that you have exceeded the request rate limit imposed by Microsoft. This occurs when too many requests are
In today’s digital age, data is the lifeblood of businesses. Protecting and ensuring the availability of this data is crucial for the success and continuity of any organization. Many organizations like yours are already utilizing
We have had several reports recently of Backup Servers failing to deploy the Veeam service provider management agent through the console. Even after the management agent had been installed manually, the server would show up
We have run into an issue when a job starts reporting the “The given key was not present in the dictionary” error. This seems to occur when a backup is interrupted multiple times. When this
Veeam will report when an “Item may have a virus reported by the virus scanner plug-in.” This warning is caused when Veeam for M365 attempts to backup an item that the built-in Microsoft 365 virus
The “Failed to find Team mailbox owner account” error can be caused by the owner of the mailbox being moved, or if the owner no longer has a licensed assigned. Resolving either of these will
A common Veeam Backup and Replication warning we see is when a virtual machine becomes unavailable. Veeam will report the “Virtual Machine VMNAME is unavailable and will be skipped from processing” error for a few
From time to time, there are changes and updates to your SMTP server that may adversely affect you nightly reports. Your jobs will start throwing Sending e-mail report warnings that Veeam is “Unable to connect
This error occurs when the Veeam Backup Service on the VBR abruptly stops while a backup is running. Most commonly it is because the server is shut down or rebooted. It could also be due
We have recently encountered issues with Veeam replication jobs where they would fail with the following errors: Error: Failed to open VDDK disk [[DATASTORENAME_0] PATH_0] ( is read-only mode – [true] ) –tr:{ –tr:VDDK error:
When performing Veeam Explorer restores connecting to a service provider, sometimes these restores can fail with a Connection Failed message. Looking in the Veeam explorer logs there will typically be references to a version mismatch.
Veeam does not support moving data between object storage buckets. Veeam has guides for: For the scenario where data needs to be moved from one object storage provider to another Veeam support will suggest performing
During an M365 Exchange mailbox restore using Veeam, the following error can occur: Failed to open mailbox: user.name@domain.com Failed to access mailbox. The specified object was not found in the store. Default folder Root not
We have run into issues where backups fail with the following message: Failed to pre-process the job Error: Sequence contains more than one element These seem to be related to disconnections to the backup storage
Veeam for Microsoft 365 v7, by default, prevents adding buckets with versioning enabled. More information on that can be found in the Veeam KB article here. When trying to add these buckets this message appears:
From time to time, we will come across a management agent that either refuses to connect, or installs and does not report the Veeam Backup and Replication information. Below are a few troubleshooting steps we
If your backup proxy is running an older version of C++ you will receive the error ”Backup proxy is missing C++ runtime components.” This can be resolved by downloading an updated version of Visual C++.
Veeam Backup for Microsoft 365 can only backup mailboxes that are licensed*. If a mailbox is selected to backup and does not have a licensed assigned, Veeam will report a warning stating the “Mailbox does
A possible issue when restoring a large number of items with the Veeam Explorer for Microsoft Exchange can be operations timing out. Especially when using the advanced search feature in large mailboxes. Error messages related
If a user is set to back up a SharePoint but doesn’t have a SharePoint plan, you’ll start seeing warnings pop up in your Veeam for Microsoft 365 backups. There are two options for resolving
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