With only Basic authentication configured, users must provide a domain name when logging on to the Web Access application. For example, a user in domain myDomain with a username of Rogers must specify myDomain\Rogers when logging on to the Web Access application.
It is possible for IIS and Enterprise Vault to use a default domain for Basic authentication. In this case, users in the default domain do not need to specify a domain name when starting the Web Access application. Users in other domains must still specify a domain name.
You can set up IIS so that it uses a default domain for Basic authentication. How you do this depends on the version of IIS that you have installed.
Note that the default domain does not work unless you also define it for the Web Access application.
To set up a default domain in IIS 6.0
Expand the Web Sites container for the Enterprise Vault Web Access application computer.
Right-click the EnterpriseVault folder, and then click Properties.
In the EnterpriseVault Properties dialog box, click the Directory Security tab.
In the Authentication and access control section, click Edit.
In the Authentication Methods dialog box, uncheck Enable anonymous access.
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Please contact the server administrator at webmaster@systemmanager.forsenergy.ru to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.