UCCX Finesse IE Compatibility

Just noticed after an upgrade from UCCX 10.6 to 11.6 that IE11-settings can become troublesome.

Login and call-handling actually worked as expected, but it was impossible to load CUIC-based gadgets.

The resolution:

  • Document mode must be set to Edge.
  • Compatibility mode must be set to Off.
  • If Enterprise Mode is running, the URL(s) should be set to apply Desktop profile.
  • Also, if running Chrome instead, remember that recent versions require the CN to be included as a SAN as well in the certificate to avoid warnings.
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Signing CUCM certificates

When signing CUCM certificates using a Microsoft CA, not all extensions that are present in the self-signed certificate will be available.

Create the template as a duplicate from Web Server, add Client Authentication and IP security end system (in addition to Server Authentication) as Application Policy and make sure that Digital Signature, Allow key exchange only with key encryption and Allow encryption of user data is selected under under Key Usage Extension.

Issue the certificate using the newly defined template.