Currently trying to upgrade an existing SQL 2008(SP4) instance to SQL 2014 and getting the following errors. I'm fairly new to SQL and struggling a little to figure out what the issue might be. Thanks for any advice on this.
Action required:
Use the following information to resolve the error, and then try the setup process again.
Feature failure reason:
An error occurred during the setup process of the feature.
Error details:
§ Error installing SQL Server Database Engine Services Instance Features
There was an error attempting to remove the configuration of the product which prevents any other action from occuring. The current configuration of the product is being cancelled as a result.
Error code: 25012
Log file: C:\Program Files\Microsoft SQL Server\120\Setup Bootstrap\Log\20150502_090151\sql_engine_core_inst_Cpu64_1.log
Visit http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=12.0.2000.8&EvtType=sql_engine_core_inst.msi%40Sqlmsirc_NotifyFeatureStates_64%4025012 to get help on troubleshooting.
§ Error installing SQL Server Database Engine Services Instance Features
Exception has been thrown by the target of an invocation.
Error code: 0x80131604
Visit http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=12.0.2000.8&EvtType=0x90F5BF4F%400xDC80C325&EvtType=0x90F5BF4F%400xDC80C325 to get help on troubleshooting.
§ Error installing SQL Server Database Engine Services Instance Features
The document specified by its root path '/Extension/Agent/AgentPreviousRegPath' does not exist in data store.
Error code: 0x84B20001
Visit http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=12.0.2000.8&EvtType=0x9490803B%400xF762992B%401202%401&EvtType=0x9490803B%400xF762992B%401202%401 to get help on troubleshooting.