- When using ILLiad for Copyright Clearance Center, ILLiad Client will have to use TLS 1.2. This is for any ILLiad computer that is using any version below 18.104.22.168. The error message when in Copyright Clearance will say, "The underlying connection was closed...."
ATLAS has posted a solution on The CCC's new TLS 1.2 Security Protocol Requirements.
Here is the link for the Performing a Registry Change for ILLiad Client or Server to Enable TLS 1.2 on the local computer. For the ILLiad Client, no update on the registry on the Web Server is necessary. To learn more about the TLS security updates at OCLC, click here.