Article ID: 6510, created on Jul 9, 2009, last review on May 9, 2014

  • Applies to:
  • Virtuozzo containers for Windows 4.0


During or after backing up containers host may stop responding and the following errors appear in system events:

Event ID 2020

Type: Error
Event ID: 2020
Source: Srv
Date: Date
Time: Time
The server was unable to allocate from the system paged pool because the pool was empty.

Event ID 1055

Type: Error
Event ID: 1055
Source: ClusSvc
Date: Date
Time: Time
User: N/A
Computer: Computer
Details: Cluster File Share resource ResourceName has failed a status check. The error code is 1450.

The kernel memory analysis by Memory Pool Monitor (Poolmon.exe) shows extremely high usage of paged pool memory with the tag "MntA".


The reason of the problem is pool paged memory leak in mount manager (mountmng). To fix the issue it is recommended to apply solution described in this Microsoft article:

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