http://mschnlnine.vo.llnwd.net/d1/Dev/App_Themes/C9/images/feedimage.pnghttp://channel9.msdn.com/forums/TechOff/443504-An-unexpected-error-has-occurred-while-adding-user-in-sharepoint-portal/An unexpected error has occurred while adding user in sharepoint portalhttp://channel9.msdn.com/forums/TechOff/443504-An-unexpected-error-has-occurred-while-adding-user-in-sharepoint-portal/en-usTue, 02 Dec 2008 13:04:11 GMTTue, 02 Dec 2008 13:04:11 GMTEvNet (EvNet, Version=1.0.3599.6114, Culture=neutral, PublicKeyToken=null)Thanks for the reply. I have tried with above options but not succeded. Also please let me know from where I should download LDAP/AD dump to local server. In my case share point portal is installed on same ADS.&nbsp;http://channel9.msdn.com/forums/TechOff/443504-An-unexpected-error-has-occurred-while-adding-user-in-sharepoint-portal/?CommentID=446419Tue, 02 Dec 2008 13:04:12 GMThttp://channel9.msdn.com/forums/TechOff/443504-An-unexpected-error-has-occurred-while-adding-user-in-sharepoint-portal/?CommentID=4464190http://channel9.msdn.com/446419/WebViewBug.aspx?EVT=0Thanks for the reply. I have tried with above options but not succeded. Also please let me know from where I should download LDAP/AD dump to local server. In my case share point portal is installed on same ADS.&nbsp;nitin kalinakr0http://channel9.msdn.com/446419/Trackback.aspxWhile specifying user name give Domain\ (for eg. MSN\userid). Hope this may help you. If you still face issue then check in Central Site Administration and Shared Services Site. There a setting is for Downloading all LDAP/AD Dump to local Server.<BR>There must be some problem in that service/process.http://channel9.msdn.com/forums/TechOff/443504-An-unexpected-error-has-occurred-while-adding-user-in-sharepoint-portal/?CommentID=443719Tue, 18 Nov 2008 12:06:37 GMThttp://channel9.msdn.com/forums/TechOff/443504-An-unexpected-error-has-occurred-while-adding-user-in-sharepoint-portal/?CommentID=4437190http://channel9.msdn.com/443719/WebViewBug.aspx?EVT=0While specifying user name give Domain\ (for eg. MSN\userid). Hope this may help you. If you still face issue then check in Central Site Administration and Shared Services Site. There a setting is for Downloading all LDAP/AD Dump to local Server.There must be some problem in that service/process.Venkatesh0http://channel9.msdn.com/443719/Trackback.aspx