I tried to do yum update and got this response. [root@localhost ~]# yum update Loading "kernel-module" plugin Setting up Update Process Setting up repositories Reading repository metadata in from local files Excluding Packages in global exclude list Finished Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package evolution.i386 0:2.12.3-8.el5_2.2 set to be updated --> Running transaction check --> Processing Dependency: libegroupwise-1.2.so.13 for package: evolution --> Processing Dependency: libnssutil3.so for package: evolution --> Processing Dependency: libexchange-storage-1.2.so.3 for package: evolution --> Processing Dependency: libgtkhtml-3.14.so.19 for package: evolution --> Finished Dependency Resolution Beginning Kernel Module Plugin Finished Kernel Module Plugin Error: Missing Dependency: libegroupwise-1.2.so.13 is needed by package evolution Error: Missing Dependency: libnssutil3.so is needed by package evolution Error: Missing Dependency: libexchange-storage-1.2.so.3 is needed by package evolution Error: Missing Dependency: libgtkhtml-3.14.so.19 is needed by package evolution [root@localhost ~]# I am using the vanilla yum configuration obtained from clean SL 5.1 install. What am I missing? Thanks, Al