7.1.2.5 Error Message

The Error Message has the additional fields shown in Table 76.

Table 76 – OPC UA Connection Protocol Error Message
NameTypeDescription
ErrorUInt32

The numeric code for the error.

Possible values are listed in Table 79.

ReasonString

A more verbose description of the error.

This string shall not be more than 4096 bytes.

A Client shall ignore strings that are longer than this.

The socket is always closed gracefully by the Client after it receives an Error Message.