| Event Id | 41 |
| Source | MSExchangeMTA |
| Description | There are too many concurrently connected entities. There are no free entity control blocks (ECBs) available. There are currently <value> ECBs configured. [<value> <value> <value> <value>] (14) |
| Event Information | The message transfer agent (MTA) tried to connect to, or received connections from, too many entities. Try splitting the role of the server between two other servers. |
| Reference Links | Exchange Server Message Transfer Agent in Large Site May Run Out of Entity Control Blocks |
Catch threats immediately
We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.