Pattern identification criteria are too restrictive or contain incorrect values that don't match the actual data returned from the target device by probes. (high likelihood)
Required probes failed to execute successfully or returned incomplete data, preventing the pattern from gathering necessary information for matching. (high likelihood)
Target device configuration has changed since the pattern was created, causing previously working identification logic to no longer match current device state. (medium likelihood)
Pattern dependency issues where prerequisite patterns or shared libraries are missing, outdated, or contain errors that prevent proper execution. (medium likelihood)
Network connectivity issues, credential problems, or insufficient permissions preventing probes from collecting complete device information required for pattern matching. (low likelihood)