Error Message

No error is logged in the Application, System, or Veritas Enterprise Vault event logs.

However, the EVInstall log shows an error. This log can be found under [EV installation folder]\Installation Logs.

11-13-2018: 11:11:32: DllRegistrationHandler Begin: PreReqScan.dll
11-13-2018: 11:11:32: Change Dir: H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\
11-13-2018: 11:11:32: H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\PreReqScan.dll
11-13-2018: 11:11:32: WriteFileRegisterFile Begin: "C:\Windows\system32\regsvr32.exe" "H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\PreReqScan.dll" /s
11-13-2018: 11:11:32: WriteFileRegisterFile Ended: "C:\Windows\system32\regsvr32.exe" "H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\PreReqScan.dll" /s
11-13-2018: 11:11:32: LaunchReturnErrorLevel Begin "C:\Windows\system32\regsvr32.exe" "H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\PreReqScan.dll" /s
11-13-2018: 11:11:32: EVRegFile.log missing. No return code.
11-13-2018: 11:11:32: DeleteFile: H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\EVRegFile.Bat
11-13-2018: 11:11:32: LaunchReturnErrorLevel Ended "C:\Windows\system32\regsvr32.exe" "H:\Temp Folder\2\{F5E79328-3509-4CBE-A945-596F815762B8}\PreReqScan.dll" /s
11-13-2018: 11:11:32: DllRegistrationHandler Ended: PreReqScan.dll
 

Contrast this with the expected result in a working EVInstall log:

10-28-2018: 10:47:12: DllRegistrationHandler Begin: PreReqScan.dll
10-28-2018: 10:47:12: Change Dir: C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\
10-28-2018: 10:47:12: C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\PreReqScan.dll
10-28-2018: 10:47:12: WriteFileRegisterFile Begin: "C:\Windows\system32\regsvr32.exe" "C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\PreReqScan.dll" /s
10-28-2018: 10:47:12: WriteFileRegisterFile Ended: "C:\Windows\system32\regsvr32.exe" "C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\PreReqScan.dll" /s
10-28-2018: 10:47:12: LaunchReturnErrorLevel Begin "C:\Windows\system32\regsvr32.exe" "C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\PreReqScan.dll" /s
10-28-2018: 10:47:12: File Reg Return Code: 0
10-28-2018: 10:47:12: File successful.
10-28-2018: 10:47:12: DeleteFile: C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\EVRegFile.Bat
10-28-2018: 10:47:12: DeleteFile: C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\EVRegFile.log
10-28-2018: 10:47:12: LaunchReturnErrorLevel Ended "C:\Windows\system32\regsvr32.exe" "C:\Users\VERITA~1\AppData\Local\Temp\{43709D99-47D7-44B4-ADBA-E5C91D9EEA13}\PreReqScan.dll" /s
10-28-2018: 10:47:12: DllRegistrationHandler Ended: PreReqScan.dll

An issue with the temp folder is preventing the creation of the EVRegFile.log file.

Solution 1: Modify the permissions of the temporary folder(s) on the machine such that the Vault Service Account has full control.

Solution 2: Change the location of the temporary folder(s) to one over which the Vault Service Account has full control. This article includes step-by-step instructions on how to change this.