Microsoft Management Console has stopped working. The mmc.exe is seen to consume memory up to 1GB or more.
Recovery Manager for Exchange runs out of memory while restoring big number of messages to a PST file.
Waiting for fix in a future release of Recovery Manager for Exchange.
Issue will be addressed in version 5.1.1
This issue is known to affect versions 5.0, 5.0.1 and 5.1.0