Dear @Gavino, Our development team has provided a new build (11.2.1.106615) to fix your current issue. You can update your NAKIVO to the custom build below, which includes a hotfix for the certificate issue in the QNAP App Center. + QNAP transporter x86_64: https://maglar.box.com/s/c1itcwaj3xvbk80f7uenqhuhbh5tqruy + QNAP transporter ARMx64: https://maglar.box.com/s/vgqqp8lonmyxh8a8jdaewbs0u282n1a9 + QNAP x86_64: https://maglar.box.com/s/qymklfu6na6tx97zf29out7r9t3qlu3m + QNAP ARMx64: https://maglar.box.com/s/84a4xyn95l3gggjb0s5eumwlsf4t09yj - Refer to this article to update your NAKIVO instance: https://helpcenter.nakivo.com/User-Guide/Content/Deployment/Updating-NAKIVO-Backup-and-Replication/Updating-on-QNAP-NAS.htm Before the upgrade, please ensure the SaaS/ CIFS/ NFS repository type is detached https://helpcenter.nakivo.com/User-Guide/Content/Settings/Backup-Repositories/Managing-Backup-Repositories/Detaching-Backup-Repositories.htm

Please generate and send us a support bundle and make sure to include the main database. Steps to generate the support bundle: Log in to NAKIVO Backup & Replication. Click the account icon in the top-right corner and select Support Bundle. Make sure the Include database (or Include main database) checkbox is selected before generating the bundle. Please reference the ticket #413664 when replying.

Theese are info about qcow files failed to consolidate on proxmox.   043c65d6-b6f5-4f39-b27d-74ac7c31eb1a.qcow2 7f552c38-ead4-4221-b94e-760aa06f0901.qcow2 root@prxtichos:/opt/nakivo/bptmp# qemu-img info 043c65d6-b6f5-4f39-b27d-74ac7c31eb1a.qcow2  image: 043c65d6-b6f5-4f39-b27d-74ac7c31eb1a.qcow2 file format: qcow2 virtual size: 50 GiB (53687091200 bytes) disk size: 64.5 KiB cluster_size: 65536 backing file: /dev/zvol/ssd_pool/vm-100-disk-1 backing file format: raw Format specific information:     compat: 1.1     compression type: zlib     lazy refcounts: false     refcount bits: 16     corrupt: false     extended l2: false Child node '/file':     filename: 043c65d6-b6f5-4f39-b27d-74ac7c31eb1a.qcow2     protocol type: file     file length: 640 KiB (655360 bytes)     disk size: 64.5 KiB root@prxtichos:/opt/nakivo/bptmp# qemu-img info 7f552c38-ead4-4221-b94e-760aa06f0901.qcow2  image: 7f552c38-ead4-4221-b94e-760aa06f0901.qcow2 file format: qcow2 virtual size: 50 GiB (53687091200 bytes) disk size: 64.5 KiB cluster_size: 65536 backing file: /dev/zvol/ssd_pool/vm-100-disk-1 backing file format: raw Format specific information:     compat: 1.1     compression type: zlib     lazy refcounts: false     refcount bits: 16     corrupt: false     extended l2: false Child node '/file':     filename: 7f552c38-ead4-4221-b94e-760aa06f0901.qcow2     protocol type: file     file length: 640 KiB (655360 bytes)     disk size: 64.5 KiB This is the nakivo error:   My question is, i have to consolidate the most recent file because the are 2 overlay file.

Hi @opk.giandomenico, Could you give us a bit more context on where NAKIVO is involved here? We want to make sure we can actually help! If it's a Proxmox issue, it is better to contact the Proxmox support team.

Hello @Gavino, We want to provide you with an update on the status of your case. Our development team is investigating the issue and working to find a resolution as quickly as possible. We expect to have another update within the next few days, and we will keep you posted on the progress.  Thank you for your patience and understanding throughout this process.