Event ID 2019 or 2020 or "Insufficient System Resources" error returned when logging on

You may experience one or more of the following:

• Your server may lose network connectivity with its clients and report the following errors in the event log:
  Event ID: 2020
  Source: Srv
  Description: The server was unable to allocate from the system paged pool because the pool was empty.
  -or-
  Event ID: 2019
  Source: Srv
  Description: The server was unable to allocate from the system nonpaged pool because the pool was empty.
• Your server may stop accepting new user connections through Terminal Services. When the user tries to log on to the server that is running Terminal Services, the following error message appears:
  User Environment
  Windows cannot logon you because the profile cannot be loaded. Contact your network administrator.
  DETAIL - Insufficient system resources exist to complete the requested service.
  After this error message appears, the user is disconnected from the Terminal Services server.
• You receive the following error message when you log on locally to the server:
  User Environment
  Windows cannot logon you because the profile cannot be loaded. Contact your network administrator.
  DETAIL - Insufficient system resources exist to complete the requested service.
  Note that you may be allowed to get to the Windows desktop but you cannot work normally because the server is running out of memory.

All of these symptoms are alleviated if you restart the server.

This behavior can occur if Microsoft Windows 2000 domain controllers run Symantec's Norton AntiVirus Corporate Edition software, versions 7.00, 7.01, 7.02, or 7.03 or 8.0.

To resolve this issue, contact Symantec to inquire about the availability of a fix for this issue. This issue has been addressed in release 10.3.1.13 of the SymEvent driver. For more information about hardware and software vendor contact information, visit the following Microsoft Web site: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

Note An antivirus program is designed to help protect your computer from viruses. You must not download or open files from sources that you do not trust, visit Web sites that you do not trust, or open e-mail attachments when your antivirus program is disabled.

For more information about computer viruses, click the following article number to view the article in the Microsoft Knowledge Base: The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.