Technical Tip: Error: 'To successfully upgrade to FortiWLM 8.6.5, you are required to install a patch. Contact Fortinet Customer Support to obtain and install the relevant patch.'

[harshithbn]

Description	This article explains the patch file requirement before initiating upgrade of FortiWLM to 8.6.5 from 8.6.4 or 8.6.3 firmware.
Scope	FortiWLM.
Solution	Restoring a backup file for a FortiWLM after upgrading to version 8.6.5 using an older backup (from versions 8.6.3 or 8.6.4) may fail due to incomplete backup files generated with those earlier versions. To resolve this issue, a patch file needs to be installed first on top of version 8.6.3 or 8.6.4 and then proceed with an upgrade to v8.6.5. Steps to Follow:  Apply the latest 64-bit patch:  The patch file to be applied on top of FortiWLM running 8.6.3 (64-bit) is ==> forti-8.6-3build-8-patch-restore_backup_patch_x86_64-generic-rpm.tar.fwlm The patch file to be applied on top of FortiWLM running 8.6.3 (32-bit) is ==> forti-8.6-3build-8-patch-backup_restore_patch_i386-generic-rpm.tar.fwlm The patch file to be applied on top of FortiWLM running 8.6.4 (64-bit) is ==> forti-8.6-4build-6-patch-restore_backup_patch_x86_64-generic-rpm.tar.fwlm Perform backup Upgrade to FortiWLM 8.6.5. The patch files are not available in the support portal. Submit a ticket to Fortinet support to request these files before initiating the upgrade to v8.6.5. Related articles:  About FortiWLM 8.6.5 Supported FortiWLM Upgrades  Migrating from FortiWLM 32-bit to FortiWLM 64-bit | FortiWLM 8.6.5 | Fortinet Document Library