If you receive:

<b>Source: CertSvc
Event ID: 17
Description: "The Certificate Server did not start: Unable to initialize
              the database connection for CA COMPUTERNAME.
              The error code is 0xffffffff."</b>
the CertSrv ODBC data source has not been created.

If you are running an unattented setup, let it complete.

To create the data source, run regedit /s <Drive:>\folder\certsrv.reg where certsrv.reg contains the following:

<b>REGEDIT4

\[HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\odbc.ini\CertSrv\]
"Driver"="C:\\WINNT\\System32\\odbcjt32.dll"
"DBQ"="C:\\WINNT\\System32\\CertLog\\certsrv.mdb"
"DriverId"=dword:00000019
"SafeTransactions"=dword:00000000
"UID"="Admin"

\[HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\odbc.ini\CertSrv\Engines\Jet\]
"ImplicitCommitSync"="Yes"
"Threads"=dword:00000003
"UserCommitSync"="Yes"

\[HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\odbc.ini\ODBC Data Sources\]
"CertSrv"="Microsoft Access Driver (*.mdb)" </b>
NOTE: You must alter the Driver and DBQ paths for your installation.