Long-term indexing stops processing intermittently (213556)

Consider the following scenario...

1. Running InTrust 11.0, 11.0.5, 11.1

2. Indexing Tool process indexingtool.exe appears hung. Indexing Tool process(es) running indefinitely while using no CPU.

3. Long-term indexing queue grows until InTrust services are restarted. It is then processed however the issue later re-appears after several days/weeks.

Possible symptom that you may be experiencing this issue include...

A warning message from InTrust that the indexing queue of long-term is about to grow to unmanageable size: 

EventID 13875

The indexing queue of long-term events in repository "Repository_Name" is about to grow to an unmanageable size. 

A warning message from InTrust that the indexing queue of recent events is about to grow to an unmanageable size:

Note: The warning described above may exist under other conditions unrelated to the issue described here.

WORKAROUND