RIS Error

Some questions to help with tshooting:
What OS and SP?
Is the client on the same subnet as RIS and DHCP server(s)?
Is it affecting just one or multiple machines? Has it worked before?
Is the RIS server also running DHCP?

Is the RIS client connected directly to a switch running Spanning Tree
Algorithm?
If so, enable PortFast on the port in question.

Some KB articles to look at:
247685 Multihomed RIS Server Does Not Answer Clients
http://support.microsoft.com/?id=247685
260521 Multi-Homed RIS Server May Not Answer All PXE Clients
http://support.microsoft.com/?id=260521
295586 Multi-Homed RIS Server Does Not Reply to Clients Across a Router
http://support.microsoft.com/?id=295586
303525 Invalid LDAP Filter for DHCP Server Authorization
http://support.microsoft.com/?id=303525
329839 "No Reply from a Server" Error Message When Your PXE Client Computer
http://support.microsoft.com/?id=329839

***
Terrence Tan [MSFT]
Microsoft Enterprise Platforms Support

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or the bell or the stone walls or the crisp October nights...No, our love
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The University of the People." (Charles Kuralt)

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