![Ryan Betts - Microsoft Certified Trainer - Azure Technical Blog - Consulting Architect & Trainer: WDS/MDT Integration (DHCP Option 60,66,67): "PXE-E55: ProxyDHCP Service did not reply to request on port 4011" Client Ryan Betts - Microsoft Certified Trainer - Azure Technical Blog - Consulting Architect & Trainer: WDS/MDT Integration (DHCP Option 60,66,67): "PXE-E55: ProxyDHCP Service did not reply to request on port 4011" Client](https://2.bp.blogspot.com/-mM3pWKPrjsE/U8V2wial7II/AAAAAAAAAkc/219up85WGEg/s1600/2.png)
Ryan Betts - Microsoft Certified Trainer - Azure Technical Blog - Consulting Architect & Trainer: WDS/MDT Integration (DHCP Option 60,66,67): "PXE-E55: ProxyDHCP Service did not reply to request on port 4011" Client
![Ryan Betts - Microsoft Certified Trainer - Azure Technical Blog - Consulting Architect & Trainer: WDS/MDT Integration (DHCP Option 60,66,67): "PXE-E55: ProxyDHCP Service did not reply to request on port 4011" Client Ryan Betts - Microsoft Certified Trainer - Azure Technical Blog - Consulting Architect & Trainer: WDS/MDT Integration (DHCP Option 60,66,67): "PXE-E55: ProxyDHCP Service did not reply to request on port 4011" Client](https://3.bp.blogspot.com/-V9pakfdceOU/U8V21IimeCI/AAAAAAAAAkk/yJ0Sh3dm0Ik/s1600/3.png)
Ryan Betts - Microsoft Certified Trainer - Azure Technical Blog - Consulting Architect & Trainer: WDS/MDT Integration (DHCP Option 60,66,67): "PXE-E55: ProxyDHCP Service did not reply to request on port 4011" Client
![Configuring DHCP Server on Windows - Archived Documentation 3.0 - Server Backup Manager: Wiki | Knowledge Base | Support Configuring DHCP Server on Windows - Archived Documentation 3.0 - Server Backup Manager: Wiki | Knowledge Base | Support](http://wiki.r1soft.com/download/attachments/10649772/pxe-dhcp.png%3Fversion=1&modificationDate=1294736099000)
Configuring DHCP Server on Windows - Archived Documentation 3.0 - Server Backup Manager: Wiki | Knowledge Base | Support
![DHCP Server is slow or fails to respond to DHCP requests if option 66 is wrongly configured - Windows Server | Microsoft Learn DHCP Server is slow or fails to respond to DHCP requests if option 66 is wrongly configured - Windows Server | Microsoft Learn](https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/media/dhcp-server-slow-not-respond-dhcp-requests-option-66-wrongly-configured/scope-option-66-boot-server-host-name.png)