I have an issue about a Cisco Unified CallManager 126.96.36.1990-11. When updating any information of a device (a phone 7911) and then clicking in "Save" I receive a message box with the following text: "Operation Completes By Date/time must be greater than current date/time".
The same occurs when updating others parameters of many devices (phones, in general).
If any person is already faced this problem, please, help me in solve it.
I had the same problem and I resolved by changing the Certification Authority Proxy Function (CAPF) Information in the phone configuration page, by selecting No pending Operation instate of Install/Upgrade
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.