Wyse Technology 883886-01 manual Upgrading Current WDM Installations Only

Preparing for Installation 5

•Upgrading Current WDM Installations Only:

·Planning for Upgrading - WDM 4.9.1 supports an upgrade from WDM version 4.9.0 ONLY. You cannot upgrade from any other version.

IMPORTANT: After upgrading to WDM 4.9.1, you must upgrade all devices with the latest HAgent packages available to ensure your devices can be managed using WDM. Be sure to consult the latest WDM Release Notes.

WDM 4.9.0 supports direct upgrades from WDM version 4.8.0, or 4.8.5. If you are running WDM version 4.7.0 or 4.7.1, you must first upgrade to 4.7.2, and then upgrade to 4.8.5 before upgrading to 4.9.0. CAUTION: Upgrading from WDM 4.7.2 to 4.8.5 is supported if the following hotfixes are installed in the following order prior to installing WDM 4.8.5: HF04072025609 and then HF04072036209.

·WDM 4.7.2 Installations Planning for V90L, V90LE, or V90LEW Devices Using Non-PXE Imaging - If you have an existing WDM 4.7.2 installation containing V90L, V90LE, or V90LEW devices, and you want to continue using Non-PXE imaging in WDM 4.9.0, be aware of the following requirements before upgrading to WDM 4.9.0 (CAUTION: If you have devices running earlier builds than those described below, you must re-image the devices with the latest firmware before you upgrade to WDM 4.9.0):

·If you have V90L and V90LE devices running XPE build 673 or later, you must first upgrade your devices using the following package (obtained from Wyse) before upgrading to WDM 4.9.0: MerlinBootAgentUpgradeXPE_VLE.zip

·If you have V90LEW devices running WES build 688 or later, you must first upgrade your devices using the following package (obtained from Wyse) before upgrading to WDM v4.9.0: MerlinBootAgentUpgradeWES_VLE.zip