For example: Removing rsync destroys the system: Remv univention-server-master [10.0.3-1.214.201411121144] Remv univention-management-console [7.1.63-12.853.201502021053] Remv univention-management-console-web-server [4.1.106-29.1009.201502201345] Remv univention-management-console-module-setup [8.1.66-22.849.201502191130] Remv univention-management-console-module-udm [5.1.25-48.558.201502191114] Remv univention-management-console-module-updater [10.0.53-5.1376.201502191651] Remv univention-management-console-module-join [7.1.2-13.499.201502031332] Remv univention-system-setup-boot [8.1.66-22.849.201502191130] Remv univention-management-console-module-apps [4.1.19-9.311.201501210112] Remv univention-management-console-module-appcenter [4.1.19-9.311.201501210112] Remv univention-management-console-module-lib [4.0.2-3.31.201502131811] Remv univention-management-console-module-sysinfo [5.1.0-5.55.201412181619] Remv univention-management-console-module-diagnostic [1.0.14-5.20.201502031054] Remv univention-management-console-module-ucr [4.1.1-1.56.201410312157] Remv univention-management-console-module-top [4.1.0-3.33.201410241612] Remv univention-management-console-module-services [4.1.0-3.25.201410141849] Remv univention-management-console-module-reboot [4.1.2-4.14.201410291249] Remv univention-management-console-module-quota [9.1.5-1.139.201411071851] Remv univention-management-console-module-passwordchange [0.1.3-1.7.201411101335] Remv univention-management-console-module-mrtg [3.1.4-1.27.201410220955] Remv univention-management-console-server [7.1.63-12.853.201502021053] Remv python-univention-management-console [7.1.63-12.853.201502021053] Remv univention-s4-connector [9.0.16-10.541.201501061439] Remv univention-samba4 [4.0.3-5.603.201501081059] Remv univention-samba4-sysvol-sync [4.0.3-5.603.201501081059] Remv univention-ldap-server [11.0.11-2.731.201501141228] Remv univention-role-server-common [10.0.3-1.214.201411121144] Remv univention-role-common [10.0.3-1.214.201411121144] Remv univention-fetchmail [8.0.0-1.44.201408151539] Remv univention-fetchmail-schema [8.0.0-1.44.201408151539] Remv univention-join [7.1.2-13.499.201502031332] Remv univention-ssh [6.0.0-1.44.201406301016] Remv rsync [3.0.9-4.51.201410071143 We should prevent the removal of such packages via UMC
See also Bug #36711
This issue has been filled against UCS 4.0. The maintenance with bug and security fixes for UCS 4.0 has ended on 31st of May 2016. Customers still on UCS 4.0 are encouraged to update to UCS 4.3. Please contact your partner or Univention for any questions. If this issue still occurs in newer UCS versions, please use "Clone this bug" or simply reopen the issue. In this case please provide detailed information on how this issue is affecting you.
This issue has been filed against UCS 4.4. UCS 4.4 is out of general maintenance and components may have vastly changed in later releases. Thus, this issue is now being closed. If this issue still occurs in newer versions, please use "Clone this bug" or reopen this issue. In this case please provide detailed information on how this issue is affecting you.