server 10.1 服务登录之后需要输入用户名密码

【解决办法】：
重启IIS可能会导致rest handler失去pricinple，对于开放的服务也需要登陆。
打安全补丁包：http://support.esri.com/en/dow ... /1913
NIM090171 - Shutting down and restarting the ArcGIS Server Service when using the IIS and Java web adaptors can cause the REST handler on the restarted node to lose all principals, specifically esriEveryone, at the root level forcing users to log in for every request.