| Event Id | 1013 |
| Source | MSExchangeMTA |
| Description | An interoperability error occurred with entity <object name>. The chunk size exceeds the remaining session protocol data unit (SPDU) length. Data size <value>. SPDU length left <value>. Control block index <index name>. [<value> <value> <value> <value>] (14) |
| Event Information | The diagnostics logging levels of the message transfer agent (MTA) interface and interoperability categories should be increased to create interoperability logs.These logs are text logs that consist of the binary contents of communication among MTAs. |
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