During an M365 Exchange mailbox restore using Veeam, the following errors can occur: Failed to open mailbox: user.name@domain.com Failed to access mailbox. Mailbox does not exist. The specified object was not found in the store.
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 OS, such as Windows Server 2008, you will receive the error ”Backup proxy is missing C++ runtime components.” This can be resolved by downloading an updated version
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
When setting up your Veeam for Microsoft 365 backups, you may select to backup WebParts. If Custom Scripts are not enabled, you will likely run into the warning “Cannot change web part export mode to
A cloud replication job started failing with the following error after the local storage, where the metadata was, had filled up. Processing VM Error: Storage not initialized. Failed to open storage for read access. Storage:
Recently, we have seen an increase in the number of jobs failing with the error message: Object reference not set to an instance of an object. Typically, when a large number of jobs start failing
The code (429) in Veeam Backup for Microsoft 365 indicates that you have exceeded the rate limit imposed by Microsoft. It occurs when too many requests are made to Microsoft within a specific time frame.
The “Failed to find group owner account” error occurs when a Microsoft 365 group does not have an assigned owner. To fix this error, you can follow these steps: Additional information can be found in
Veeam will only backup user OneDrive and Personal site’s only when they have an assigned license. Veeam will present a warning if the Microsoft account does not have a OneDrive or Personal site enabled. You
Veeam Cloud Connect Replication can sometimes complete with one of the following warnings: These warnings can occur with Linux virtual machines, when the virtual machine has multiple network adapters, or when the networking configuration is
The error message “Veeam Task failed. Failed to expand object VM NAME. Error: Host ‘HOST NAME’ either not a cluster or cluster services is unavailable” typically occurs when Veeam Backup & Replication is unable to
Veeam error code 1072 is related to Volume Shadow Copy Service (VSS) issues on your Windows VM or physical machine. The error message indicates that the VSS writer component has been marked for deletion and
If you use Veeam Backup for Microsoft 365 to back up your data, you should be aware that it may not be able to backup OneNote notebooks that are larger than 2 GB. This can
Veeam agent backups check if bad blocks are listed in the $BadClus metadata file on the NTFS file system. The One or more bad blocks were detected and skipped and skipped in the source disk
The restore point is corrupted error can be caused if the replication is set to use a backup as it’s source. If the source backup is running it marks the backup files as incomplete which
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