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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`server.info.attached_databases` results in  `InterfaceError`: 'Invalid response format'","articleBody":"Hi, first of all thank you for your work on FirebirdSQL. \n\nI have a problem requesting information from a FirebirdSQL Server. \n\nI am connected to a newly migrated server from FB v2.5 to 5.0.3, thus the switch from`fdb` to `firebird-driver`.\n\nIn my previous code, I could use `fdb`’s `server.get_attached_database_names()` to get all the attached databases. Now, after updating the `fbclient.dll` to version 5.0.3 and switching to `firebird-driver`, I wanted to use the `server.info.attached_databases`. But this leads to the mentioned error: `Invalid response format`. \n\nIt does not seem to be a library configuration error, as I can request any other information (like `server.info.architecture` or `server.info.engine_version`) with the correct answer. I can also connect to any attached DB directly. That is also no problem. Just this call is not working. Am I doing something wrong? How can I debug this? \n\nI have tried to change the encoding and charset of the server to see if it has to do something with the path names. However, there was no change.\n\nI am on Windows x64 if that is of any help. \n\n","author":{"url":"https://github.com/daniel-heg","@type":"Person","name":"daniel-heg"},"datePublished":"2025-09-12T12:04:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":13},"url":"https://github.com/57/python3-driver/issues/57"}