A read-only DC is a DC with a read-only copy of the SAM database. Kinda like a BDC in NT4 days. For locations where physical security cannot be guaranteed.
http://technet.microsoft.com/en-us/library/cc732801%28WS.10%29.aspx Running the adprep with the right switch prior to install will ensure that you can add one should you ever want to 2009/9/1 James Kerr <[email protected]> > Im trying to add a 2008 DC to a 2000 domain with one 2000 DC. I ran > adprep /forestprep and /domainprep with the 2008 adprep. However when I run > dcpromo to add the 2008 DC I get a popup stating, "you will not be able to > install a read-only domain controller in this domain because "adprep > /rodcprep" was not yet run. Do you want to continue? Yes or No. > > Whats this all about? I just want to install this DC as a normal DC, not a > read only DC, in fact I dont even know what a read only DC is. Should I just > hit yes to continue? > > James > > > > > > -- "On two occasions...I have been asked, 'Pray, Mr Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question." http://raythestray.blogspot.com ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
