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Cisco Unity fails to start after an upgrade to version 4.0(5), and the "AvCsMgr: Failed to create LogMgr (error = 0x80040154)" and "AvCsMgr service failed to initialize the component manager" error messages appear in the application event viewer log
This error message appears in the application event log:
AvCsMgr: Failed to create LogMgr (error = 0x80040154).
This error also appears:
AvCsMgr service failed to initialize the component manager.
When the AvCsGateway is restarted, these messages appear:
Error initializing AvLogMgr CoCreateInstance: error 0x80040154 Class not registered ,Turn on initialization diagnostics to troubleshoot.
AvCsGateway: Failed to initialize AuthenticationMgr (error = 0x80040154). AvCsGateway: Failed to initialize AuthorizationMgr (error = 0x80040154).
The errors usually occur when these particular DLL files are either not present or not registered.
In order to resolve this issue, after the AvCsMgr: LogMgr, AuthenticationMgr, AuthorizationMgr error messages appear, manually re-register these DLLs with regsvr32 from the \CommServer\Components folder in a Command window: