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BugZero found this defect 1426 days ago.
On SUSE Linux Enterprise Server (SLES), a non-precompiled veeamsnap module requires the dkms package, but the dkms package cannot be found.
The dkms package is not available within the Packman repository for SLES.
Install the OpenSUSE dkms package on the SLES system.
The example below is based in part on a thread from Veeam's R&D Forums: https://forums.veeam.com/veeam-agents-for-linux-mac-aix-solaris-f41/sles-and-dkms-dependancy-how-to-t69902.html In /etc/modprobe.d/10-unsupported-modules.conf, set allow_unsupported_modules to 1. Save and exit the file. Determine a repository for the openSUSE version which kernel matches your SLES version most closely (go to https://ftp.gwdg.de/pub/linux/misc/packman/suse/ to identify the correct repository folder). Add the appropriate repository as a zypper repository. For SLES12 SP3 (with 4.4.73 kernel), the closest openSUSE release would be openSUSE Leap 42.3 (with 4.4.76 kernel).
Make sure there is also an appropriate kernel-devel package installed. For details, see the Installing Veeam Agent for Linux section of the Veeam Agent for Linux User Guide.