Arcsde post oracle11g error solution environment: oracle11.2.0.3 and oracle10.2.0.1, Arcsde9.3.1 create an AB instance in oracle11.2.0.3, then use Arcsde9.3.1 post oracle11.2.0.3 to create the sde configuration and report an error during the post process, ERROR message: [Thu Apr 04 10:24:55 2013] ERROR: Unable to load server library (C: \ Program Files \ ArcGIS \ ArcSDE \ ora11gexe \ bin \ sdeora11gsrvr93. dll), after Error =-324, the check is caused by the order of oracle11.2.0.3 and oracle10.2.0.1 in the system environment variable Path. Because oracle10.2.0.1 is installed after oracle11.2.0.3, oracle10 . The environment variable of 2.0.1 is at the beginning, and the post is in the order of environment variables, which will cause the above error. We are post oracle11.2.0.3, and we need to adjust the environment variable order (adjusted to C: \ app \ Administrator \ product \ 11.2.0 \ dbhome_1 \ bin; C: \ oracle \ product \ 10.2.0 \ db_1 \ bin ;). In this way, it will be normal when post oracle11.2.0.3