Wsus clients stopped updating

An alternative to using IP Helpers is setting DHCP Options on the DHCP server, specifically DHCP Options 60 (PXE Client), 66 (Boot Server Host Name), and 67 (Bootfile Name).However, DHCP Options can be problematic and may not work reliably or consistently.Once uninstalled correctly, the last line in the log should be “on the parent site server to determine why it was not able to start the deinstall.In most cases it is due to file in use issues, which usually can be resolved by stopping the WDS service (Step 5).Common errors that are seen at the PXE boot screen when the PXE Service Point is either not configured properly or experiencing problems are the following: PXE-E53: No boot filename received PXE-T01: File not found PXE-E3B: TFTP Error – File not Found PXE-E55 Proxy DHCP Service did not reply to request on port 4011 PXE-T04: Access Violation PXE-E36: Error Received from TFTP Server PXE-M-F Exiting PXE Rom However the error messages can vary depending on the PXE implementation on the client PC. Otherwise, if either the DHCP server, the client PC or the Config Mgr 2007 server is running WDS and the PXE Service Point are on separate subnets or vlans, which is usually the case in most environments, the first step to take before trying to install and configure the PXE Service Point and WDS is to set up IP Helpers on the routers.How to do this varies depending on the router hardware manufacturer but the general overview is outlined at the below link: For further information on how to properly configure IP Helpers on the routers, please contact the hardware manufacturer of the router.

When checking DHCP options, make sure to check options at both the server and scope levels.

The only exception to this rule is when DHCP and WDS reside on the same server.

In these cases, consult the section “ In certain scenarios, especially ones where WDS and the PXE Service Point were initially installed or configured incorrectly, the best course of action is to uninstall the PXE Service Point and WDS, delete all previous configurations, and then reinstall: 1.

DHCP Options 66 and 67 should still NOT be set in this scenario.

For more information, please see the section “ It is IMPERATIVE that before continuing that it has been verified that the routers have IP Helpers configured AND that the DHCP server does NOT have DHCP Options 60, 66, or 67 configured.

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