Environment

Connected Backup 8.10

Situation

Compactor crashes with error:
Event ID:      7537
Failed to compact account 101828136.  An Memory exception error was detected while processing the account: 
Failed to allocate 1899040 bytes

Resolution

1. Stop Compactor
2. Change the Compactor subtree settings in the registry to the following values.
The subtree mode is used by Compactor for large accounts that cannot be loaded into memory.
By lowering these values it might be possible to resolve these "Failed to allocate" errors. 

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Connected\Compactor
MaxFileRevisions: 500000
MaxSelectRows: 2500 
FileRevisionsPerWindow: 300000

3. Start Compactor

Access document on support portal here