Christine I would suggest not doing it on a live DC, It can take a while to update t= he schema, and I read somewhere anything from 1 hour to several. We did our= s over a weekend to avoid risk. It does of course depend on your set-up th= ough, and things like one site or several. Paul -----Original Message----- From: msexchange-bounce@xxxxxxxxxxxxx [mailto:msexchange-bounce@xxxxxxxxxxxxx]On Behalf Of Christine Easton Sent: 10 November 2003 14:20 To: 'msexchange@xxxxxxxxxxxxx' Subject: [msexchange] ForestPrep/Domain Prep Hello, Can I run ForestPrep and Domain Prep on an active DC or should I do it after hours? It does not state it in the Documentation I found. Thanks for your help. -Christine =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Use the below link for Archives, and to set your preferences. http://thethin.net/exchangelist.cfm PLEASE NOTE: THE ABOVE MESSAGE WAS RECEIVED FROM THE INTERNET. =20 On entering the GSI, this email was scanned for viruses by the Government S= ecure Intranet (GSI) virus scanning service supplied exclusively by Cable &= Wireless in partnership with MessageLabs. =20 GSI users see http://www.gsi.gov.uk/main/notices/information/gsi-003-2002.p= df for further details. In case of problems, please call your organisationa= l IT helpdesk ********************************************************************** If you have received this email and it was not intended for you,=20 please let us know, and then delete it. Please treat our information in confidence, as you would expect us to treat yours.=20 All Treasury information systems may be monitored to ensure=20 that they are operating correctly. Furthermore, the content of=20 emails and other data on these systems may be examined,=20 in exceptional circumstances, for the purpose of investigating=20 or detecting any unauthorised use.=20 =20 =20 ===================== Use the below link for Archives, and to set your preferences. http://thethin.net/exchangelist.cfm