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====== COI/DE Installation Cleanup ======

**Question**

How to do a clean uninstall of Composite Offer Installer/Deployment Engine(COI/DE)?

**Answer**

A)Uninstalling DE on Unix when it was installed by root:

Source the DE environment: ". /var/ibm/common/acsi/setenv.sh" or "source /var/ibm/common/acsi/setenv.csh"
Uninstall DE: "/usr/ibm/common/acsi/bin/si_inst.sh -r -f"
Remove DE's database backup: "rm -rf /usr/ibm/common/acsi"

B) Uninstalling DE on Unix when it was installed by non-root:

DE exists under ~/.acsi_$USER, so: "rm -rf ~/.acsi_$USER"
Also: "rm -rf ~/tivoli/cit"
Also: "rm -rf ~/.cit"

D) Uninstalling DE on Windows:

Source the DE environment: "C:\Program Files\IBM\Common\acsi\setenv.cmd"
Remove DE: "C:\Program Files\IBM\Common\acsi\bin\si_inst.bat -r -f"
Remove DE's database backup: "rmdir /s C:\program Files\IBM\Common\acsi"

[[https://www-304.ibm.com/support/docview.wss?uid=swg21379976|IBM Doku]]