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Troubleshooting SQL Server 7.0 installation

 Alexander Chigrik  chigrik@mssqlcity.com 

Should you have problems installing SQL Server 7.0, review this troubleshooting checklist tofind potential solutions.

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1. Check the hardware requirements. 

You should have:

y  Alpha AXP, Intel or compatible platformy  Pentium 166 MHz or higher (Pentium Pro, Pentium II and compatible)

y  32MB RAM (minimum), 64MB RAM and more (recommended)y  180MB (full installation), 170MB (typical), 65MB (minimum), 90MB (management

tools only) plus 50MB for OLAP Services and 12MB for the English Query

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2. Check the software requirements. 

You should have:

For the Desktop Edition:y Windows 95y

Windows 95 OSR2 

y Windows 98

y Windows NT Server/Workstation 4.0 with Service Pack 4y Windows NT Server Enterprise Editiony Windows 2000 (all editions)

For the Standard Edition:y Windows NT Server 4.0 with Service Pack 4y Windows NT Server Enterprise Editiony Windows 2000 Server/Advanced Server/Datacenter

For the Enterprise Edition:y Windows NT Server Enterprise Editiony Windows 2000 Advanced Server/Datacenter

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3. Check the hardware compatibility list. 

For more information about the specific supported hardware, look at the hardwarecompatibility list at http://www.microsoft.com/hcl/default.asp  

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4. Login as a Local Administrator on the Server. 

SQL Server needs these permissions to create registry entries, create services and so on.

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5. Check that network card or Microsoft loopback adapter is functioning. 

SQL Server needs to use network functionality, so you should have network card, or adummy driver Microsoft loopback adapter, which pretends to be a network card.

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6. Use the LocalSystem account for MSSQLServer and SQLServerAgent services. 

You can change it later to an appropriate domain account, once you have successfullyinstalled SQL Server. Using the LocalSystem account helps to reduce potential SQL Server

installation problems.

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7. Before reinstalling SQL Server 7.0 after a failed install, delete the followingregistry entries: 

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSSQLServer HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SQLServerAgent HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server 7 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServ70  

and delete the target installation directory (C:\MSSQL7 by default).

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8. If upgrading from SQL Server version 6.5. 

Ensure that the default database for the login 'sa' is master.

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9. Stop these services, which can cause installation failure. 

Try stopping these services before installing SQL Server 7.0, and then restart them onceSQL Server has been successfully installed.

y IIS - Internet Information Servery  PWS - Personal Web Servery Exchange Servery SNA Servery Disk Keeper

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y SNMP Service

For more details see, see this URL:http://support.microsoft.com/support/SQL/Content/setup/setup1.asp  

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10. If you install SQL Server 7.0 on Windows 9x, you should install Microsoft Clientfor Networks. 

Click Start -> Control Panel -> Network -> Add Microsoft Client for Networks.

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11. To upgrade from MSDE to SQL Server 7.0, it may be necessary to edit someregistry entries. 

If you receive the following error:

You cannot install a version which is older (7.00.623) than the

version on your machine (7.00.677). Uninstall the older version. then you should change:

HKEY_LOCAL_MACHINE/Software/Microsoft/MSSQLServer/MSSQLServer/CurrentVersion  to have a value of 7.00.623.

For more details see:Q234915 - FIX: Upgrade to SQL Server Fails When MSDE Installed from MOD 

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12. Problems installing MS DTC. 

If you cannot install MS DTC on a server with multiple network cards or SPX installed,uninstall one of the network cards or SPX, and then retry the SQL Server Setup.

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13. Problems with unattended installation. 

Read this Microsoft article on how to amend the unattended install files, if you haveproblems with unattended installation:INF: Customizing SQL/MSDE Unattended Installation Files 

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14. For more details about installation errors. 

The following files, found on your server, can help provide valuable error messages if yourSQL Server installation fails.

y sqlstp.log (located in your \Windows or \WinNT directory)y errorlog file (located in the \MSSQL7\Log directory)

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y cnfgsvr.out file (located in the \MSSQL7\Install directory)