While Running PSconfig, Its failed in Any step.
Please follow the below Steps to fix the issue.
Fix 1:
Copy the
web.config file from: C:\ProgramFiles\CommonFiles\MicrosoftShared\WebServer Extensions\12\CONFIG To: C:\Program Files\Common Files\Microsoft Shared\Web Server
Extensions\12\TEMPLATE\LAYOUTS.
Then run:
psconfig -cmd upgrade -inplace b2b –wait
–force
Upon re-running the configuration wizard via command line,
my upgraded succeeded and returned. Run the PSConfig Wizard and check for
Success of it.
Note: Delete
web.config from C:\ProgramFiles\CommonFiles\MicrosoftShared\WebServer
Extensions\12\TEMPLATE\LAYOUTS.
Fix2 :
Rename the DSN in the registry to DSN.old
Path :HKLM > Software > Microsoft > Shared Tools
> Web Server extensions > 12 > Secure > ConfigDB > DSN
Note: The path For SharePoint 2010 is below
Path :HKLM > Software > Microsoft > Shared Tools
> Web Server extensions > 14.0 > Secure > ConfigDB > DSN
Once the DSN is renamed, Run the PSCONFIG Wizard again.
Note: Please consider the customizations while running this
step in Production.