Enable ICA File Signing Only allow signed launches (more secure) Prompt user on unsigned launches (less secure) Citrix Components This group policy can be used to to manage your Citrix clients. Use this policy to enable and configure ICA File Signing. ADMX Migrator encountered a string that is not present in the source ADM string table. ADMX Migrator encountered a policy that does not have a supportedOn value. Trusted Certificates: Security policy: