http://blogs.esri.com/Info/blogs/arcgisexplorerblog/archive/tags/Service+Updates/default.aspxTags: Service UpdatesenCommunityServer 2.1 SP2 (Debug Build: 61120.2)http://blogs.esri.com/Info/blogs/arcgisexplorerblog/archive/2008/10/10/arcgis-online-infrastructure-updates-scheduled-for-tonight.aspxFri, 10 Oct 2008 17:21:00 GMT8296249d-4d69-4913-b1e7-14b85fcd9fb0:3283ArcGIS-Explorer-Team0http://blogs.esri.com/Info/blogs/arcgisexplorerblog/comments/3283.aspxhttp://blogs.esri.com/Info/blogs/arcgisexplorerblog/commentrss.aspx?PostID=3283<P>Tonight (Friday, October 10, 2008) from 6 p.m. to midnight PST, ArcGIS Online will undergo some system upgrades to improve existing&nbsp;infrastructure. During this time there may be some 1 minute service interruptions. If you're using Explorer during this&nbsp;time you may notice very brief periods of not being able to connect to the default map or other maps and layers available on the Explorer Resource Center. </P><img src="http://blogs.esri.com/Info/aggbug.aspx?PostID=3283" width="1" height="1">ArcGIS OnlineService Updates