You seem to be hitting CSCsb43167.
Workaround:
Go to Registry and delete the following registry
This is all safe to delete:
[HKEY_LOCAL_MACHINE\SOFTWARE\Cisco Systems, Inc.\CallManager\HealthCheck]
"HealthCheck-CMVer"="3.3(2)"
"HealthCheckVer"="1.0(1)"
"HealthCheckBuild"="03021404"
"HealthCheckSuccess"="Yes"
"HealthCheckRunDate"="2003-05-31"
Rerun the SQL2k SP4 installation.
HTH
//Jorge