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Cisco Bug: CSCun52853 - Switch Version Failed(From 8.5 to 10.5)

Last Modified

Feb 25, 2019

Products (3)

  • Cisco Unified Contact Center Express
  • Cisco Unified IP Interactive Voice Response (IVR) 10.5(1)
  • Cisco Unified Contact Center Express 10.5(1)

Known Affected Releases


Description (partial)

After doing the Upgrade from UCSInstall_UCCX_8_5_1_UCOS_8.5.1.11004-25.sgn.iso --> UCSInstall_UCCX_10_0_1_UCOS_10.5.0.95000-97.sgn.iso Failed switch version

From UCSInstall_UCCX_8_5_1_UCOS_8.5.1.11004-25.sgn.iso --> UCSInstall_UCCX_10_0_1_UCOS_10.5.0.95000-97.sgn.iso 

RVJ has investigated and confirmed that this issue is due to chat system.PFA is the Mail for more details.
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