Unable to allocate memory. Domain defined attribute allocation failed. [ ] (12)

Details
Product: Exchange
Event ID: 2254
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: Unable to allocate memory. Domain defined attribute allocation failed. [<value> <value> <value> <value>] (12)
   
Explanation

The message transfer agent (MTA) has failed to allocate and reserve memory from the operating system.

   
User Action

Use Performance Monitor to determine if a particular item is taking up too much memory. To allocate more memory, close any nonessential applications. You can also increase the physical or virtual memory of your system. Verify that there is enough disk space for the paging file to grow.

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