If you experience problems downloading Express Editions, it may be due to any of
the following problems. Please read the descriptions of these problems and follow
the recommended fixes. If you are unable to download the Express Editions after
following this guide, please visit the
Express Edition Forums. For SQL Server Express Forums,
click here.
1.
|
Background Intelligent Transfer Service (BITS) Disabled
Description
This error occurs when the BITS service is disabled, does not exist, has been deleted
from the services application, was stopped while download was in progress, or if
any service that BITS depends on failed or was deleted. The error message for this
problem is "BITS service must be enabled before you start the installation
process. Enable the BITS service and run setup again."
To Fix this Error
- On the Start menu, click Run.
- In the Run Dialog box, type services.msc and then click
OK.
- In the list of services, right-click Background Intelligent Transfer Service,
and then click Properties.
Note: If you do not see Background Intelligent Transfer
Service in the list, the service is not installed on your computer. You
can download and install BITS from
this page.
- In the Startup type list, select Manual and then
click OK.
If these steps do not resolve the problem, you may need to enable the services
that BITS depends on.
To Enable Dependencies
- Follow steps 1-3 listed above.
- In the Run Dialog box, type services.msc and then click
OK.
- In the Background Intelligent Transfer Service Properties dialog
box, click the Dependencies tab.
- For each service listed under This service depends on the following
system components, follow steps 3 & 4 listed above to enable the service.
|
2.
|
Configuration Errors
Description
This error occurs when BITS interfaces are not registered or the registry settings
are corrupted.
To Fix this Error
Upgrade to BITS 2.0 from
this page.
OR
Repair the BITS service by running the bitsadmin tool from the command prompt:
Bitsadmin /util /repairservice /force
Download the Bitsadmin tool from
this page.
|
3.
|
Network Errors
Description
These errors can occur for one or more of the following reasons:
- Unable to reach download server.
- URL not found on the server.
- Server is overloaded.
- Bad Gateway or Proxy.
- Network is disconnected.
- Proxy does not support HTTP 1.1.
To Correct these Errors, Try the Following
Provide correct settings for the proxy server and ensure that your machine is able
to correctly resolve the proxy server.
OR
Upgrade to BITS 2.0. You can download BITS 2.0 from
this page.
Note: For these errors you must exit setup, verify that you are
connected to the network, and launch setup again.
|
4.
|
Disk Errors
Description
This error occurs when the BITS service failed to create or write to a file. Another
program, such as chkdsk.exe, might be running which locked the disk and prevented
BITS from writing to the file.
To Correct this Error
Make sure that no other program (e.g., chkdsk.exe) which could lock the disk is
running and retry the download.
OR
Restart your computer and then launch setup again. Make sure that you are connected
to internet.
|
5.
|
Proxy Errors
The BITS service failed because of one of the following proxy related errors:
- The Proxy settings are not valid.
- The proxy server requires authentication.
- The computer is not able to resolve the proxy server.
To Correct these Errors, Try the Following
Provide correct credentials for the proxy server authentication and restart setup
again.
OR
Upgrade the proxy server to support HTTP1.1 including ensure that the proxy supports
implicit credentials (like NTLM). You may need to contact your network administrator.
OR
Bypass the proxy by changing your Internet Explorer proxy settings.
- In Internet Explorer, click Tools and then click
Internet Options.
- Click the Connections tab and then click LAN Settings.
- Under Proxy server, unselect Use a proxy server for your
LAN (These settings will not apply to dial-up or VPN connections.) and
then click OK.
- Click OK again.
If you need further assistance with your proxy server settings, contact your network
administrator.
|
6.
|
Other Errors
Description
The BITS Service does not run in:
- Safe-boot mode.
- On Windows 2000 from a remote desktop connection.
- When setup is installed via a "run as" command.
To Correct this Error
There is no workaround. These scenarios are not supported.
|
|