Cannot connect to the configuration database after installing SP2

*** Problem Description ***
BEHAVIOR/SYMPTOMS:
====================

PSConfigUI failing after installing WSS 3.0 SP2

Environment:

===============

Wss 3.0 on a stand alone system

Customer is using the windows internal database

Issue :

After the installation of the sp2 which is included as a critical update in the windows update we face connection issues with Sql

 Error message :

Access to table dbo.spt_values is blocked because the signature is not valid.

Access to table dbo.spt_values is blocked because the signature is not valid.

Access to table dbo.spt_values is blocked because the signature is not valid.

Access to table dbo.spt_values is blocked because the signature is not valid.

 When we run the psconfig

Symptoms:

======

It will start creating n number of sharepoint_config databases without any tables

We will not be able to access the dbo.versions when we try checking the version of the database

We might be able to check for the version of the config database

Resolution :

Download management studio express
Set SQL express to allow tcp/ip and named pipes

Open the connection with the following address

\\.\pipe\MSSQL$MICROSOFT##SSEE\sql\query

Backup all the databases from the sql server management studio .

Check with the customization as it will be lost

Tak e a screen shot of

Solution management
AAM
Topology
Databases in the Sql server management studio
Uninstall windows internal database from the add remove programs

Uninstall SharePoint and reboot the server

Install back SharePoint with windows internal database (standalone installation )

Restore all the databases

Attach the database back to the farm

The server should be up and running