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When an application requires multiple database connections to different Oracle instances using direct connect, an error is encountered:
"Failed to connect to database. Underlying DBMS did not accept username/password".
When an ArcGIS application opens a connection to an SDE database, the property set is inspected and compared against other open workspaces (existing database connections). If the property set matches an existing open connection, the current workspace is returned.
The workspace is shared if all of the following property set members match:
1. Server Name
2. Instance Name
3. Database Name
4. User Name
The password is not compared when determining if the workspace should be shared.
Since the password is not compared, this can be a problem when connecting using direct connect for two different Oracle instances.
For example, the two property sets below demonstrate that the same workspace is used even though the password is unique:
The above examples are valid properties for direct connect. Both connections are considered identical because the properties are compared to existing open workspaces.
Select one of the two options below: