Have you had a chance to verify that the time of the workstation is in sync with that of the domain it's trying to contact? A good article to reference would be http://articles.techrepublic.com.com/5100-6345-1060499.html. Just a thought... Chris Harper INFORMATION TECHNOLOGY SPECIALIST University Relations / Michigan State University 401 Olds Hall, East Lansing, MI 48824-1047 Email: [log in to unmask] / Direct: 517.355.9980 Web: http://ur.msu.edu / Cell: 517.290.5496 -----Original Message----- From: MSU Network Administrators Group [mailto:[log in to unmask]] On Behalf Of Tony Cooke Sent: Wednesday, October 17, 2007 12:37 PM To: [log in to unmask] Subject: Re: [MSUNAG] Wierd issue with IMC domain Scott, I'm hunting down a similar issue in a another ad.msu.edu domain. On problematic workstations, Start>Run>\\domain.ad.msu.edu fails and users experience painful logon times. Ping\nslookup for domain.ad.msu.edu does work. DNS\WINS is consistent with working workstations. You are using imc.ad.msu.edu, correct? Give me a call, I'm glad to help. Tony Cooke Departmental Systems & Services Administrative Information Services Michigan State University 517.353.4420 ext. 256 [log in to unmask]