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The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DH...

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Troubleshooting Solution

Multiple Scopes on a DHCP Server


   I need to use a DHCP reservation on a Windows 2019 Standard Server to assign a IP address that


PXEClient, dhcp options 60, 66 and 67, what are they for? Can I use PXE without it ?

Ever wondered why you had to use DHCP options (dhcp opt 60, 66 or 67) in order to use PXE?
Well, you don't!

Update your DrayTek routers. Now.  Updated firmware is …

Update your DrayTek routers. Now.

Updated firmware is here:

Using DHCP to Boot WDS to BIOS & UEFI with SCCM

Learn how to PXE Boot both BIOS & UEFI machines with DHCP Policies and Custom Vendor Classes
Troubleshooting Solution

Sometimes no DHCP reply > switch problem ?


Weird problem here ... some of my machines, at times, don't immediately get an IP address …
Troubleshooting Solution

looking for dhcpd.conf sample file

byHabi Z

Hi experts, 

I am looking for a sample file for dhcpd.conf  from ubuntu server that is running as a

Troubleshooting Solution

Trying to clear a specific IP address from our DHCP and DNS records.


Trying to clear a specific IP address from our DHCP and DNS records.  the IP (

Troubleshooting Solution

BAD_ADDRESS listed in DHCP Server


   It is a Windows 2019 Standard Server. In the DHCP Address Leases there are several that list the

Troubleshooting Solution

Replace old Active Directory Domain server


Hi EE,

I have a domain controller that crashed and I'd like to plan out how we will get our new

Troubleshooting Solution

Created a Win 2003 SP2 DC & now cant link 2nd DC as it states it cant find it in DNS

After installing Win 2003 SP2 Standard Edn on 2 PCs.
- Ive created x 1 pc as a Domain Controller
Troubleshooting Solution

VLAN Question


In no way am I a VLAN guru. Novice at best. I have a switch that is separated into several VLANs.

Troubleshooting Solution

Replace 2012 DC with 2019 DC


I'm trying to migrate a domain controller.  We have one DC that is also used for file sharing.  It

Troubleshooting Solution

Way to forward DHCP requests without using 'ip helper-address'?



About 18 months ago, we stopped using VTP and switched to assigning 'allowed VLAN' to

Troubleshooting Solution
Troubleshooting Solution
Advice Solution

Add a static IP range to an existing network?



Our small network here is running out of IP's --

Every device is assigned a static IP in the

Troubleshooting Solution

DHCP will not allocate addresses


All pc's in my domain suddenly won't accept a DHCP address and keep on getting 192.186.x.x addresses

Troubleshooting Solution

Need a subnet master

I have exhausted my DHCP pool. Subnet It seems the easiest thing to do is change my …

An Overview of DHCP

Configuring network clients can be a chore, especially if there are a large number of them or a lot of itinerant users. DHCP dynamically manages this process, much to the relief of users and administrators alike!
Troubleshooting Solution

HP Pro Curve 2810 not picking up IP address from DHCP Server

I am migrating a Cisco 2950 switch to HP Pro Curve 2810 switch, On Cisco 2950 switch there are 2 …

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