| Event Id | 40 |
| Source | MSExchangeMTA |
| Description | A resource limit was reached when attempting to open an association. There are no free connection control blocks (CCBs) available. There are currently value CCBs configured. [valuevaluevaluevalue] (14) |
| Event Information | According to Microsoft: EXPLANATION: The message transfer agent (MTA) will continue to use any other open associations. If none are open, the MTA will retry other associations as they become free. USER ACTION: Split the role of the server between two other servers. Close any nonessential applications, to create more avaliabe memory. Increase your systems physical or virtual memory. Verify that there is enough disk space for the paging file to grow. |
| Reference Links | Exchange (MSExchangeMTA) |
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