I got always error while update COP.sgn file for frimware 9971 SIP "Error encountered: The selected file is not valid. Please ensure that the COP/ISO file is intended for this release. MD5 Hash with ver 9-4-2 - CUCM Ver 9.1.2
Is there any solution about that?
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Can you try installing "ciscocm.version3-keys.cop.sgn" cop file before proceeding with firmware upgrade to 9.4(2) as this firmware upgrade file (cmterm-9971.9-4-2SR2-2.k3.cop.sgn) needs this
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Thank you Rajan
Its Working now
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