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Dear Henrik1,<br />
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did something change on your physical network, such as the DHCP helper address no longer available on network layer 3?<br />
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Kind regards,<br />
Soren
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Dear Henrik1,

did something change on your physical network, such as the DHCP helper address no longer available on network layer 3?

Kind regards,
Soren

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I'm not sure I understand the question. &nbsp;I don't think anything changed on the network. &nbsp;can you explain what a DHCP helper address is?
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I'm not sure I understand the question.  I don't think anything changed on the network.  can you explain what a DHCP helper address is?

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Thanks for the comments and solution. &nbsp;The DHCP helper was the problem as a Cisco router had been de-installed at our other site. &nbsp;
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Thanks for the comments and solution.  The DHCP helper was the problem as a Cisco router had been de-installed at our other site.  

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I have a windows 2003 domain controller running the DHCP service. &nbsp;we have the scope set to have the leases expire in 1 day. &nbsp;Today, as the leases expire, the clients are not being renewed. &nbsp;We have already re-booted the DHCP server and also checked the event logs. &nbsp;No errors related to DHCP in the event logs. 
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I have a windows 2003 domain controller running the DHCP service.  we have the scope set to have the leases expire in 1 day.  Today, as the leases expire, the clients are not being renewed.  We have already re-booted the DHCP server and also checked the event logs.  No errors related to DHCP in the event logs. 

my Wndows 2003 domain controller has stopped issuing DHCP addresses

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).