IP address-helper issue

Clients on vlan5 and vlan150 have been getting an ip address for the dhcp server from vlan1 for quite some time.  This morning nobody is able to get an ip address from the dhcp server at all.  There have been no changes to the switch configuration.  If I connect to a port in vlan1 I am able to get an address through dhcp.  If I manually assign an address the client communicates to all vlans.  The attached file is the config on the 3750 vlan switch.  The switch on vlan 5 and 150 are Cisco SG500 switches in layer 2 mode.
3750-config.txt
NytroZAsked:
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Jan SpringerCommented:
Did you run wireshark on the dhcp server to see if the requests are making it there?

Do the dhcp logs give any relevant information?
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NytroZAuthor Commented:
The issue was resolved by changing the IP address on the DHCP server then changing it back to the original address again.
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Istvan KalmarHead of IT Security Division Commented:
it seems it was IP address collusion?
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NytroZAuthor Commented:
Issue was resolved on our own
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