3/31/2024 0 Comments Where to find poolmon.exe![]() ![]() Heavy file I/O because too many files or large files are opened simultaneously The Memory Manager cannot trim paged pool memory quickly enough before allocations start failing Most Common Root Causes for high MmSt pool usage SQL backups or consistency checks performing heavy file I/O will fail to complete Users are unable to RDP or access file shares on the serverīackups or large file copies fail with insufficient resourcesĮrror 1450: Insufficient resources exist to complete the requested serverĮrror 1130: Not enough server storage is available to process this command The symptoms for issues dealing with high MmSt paged pool usage are common to most other paged pool depletion issues including:Įvent ID 333 - An I/O operation initiated by the Registry failed The Cache Manager should reduce its MmSt allocations when paged pool memory pressure occurs, but this may not always happen quickly enough to prevent some issues. MmSt allocations are most commonly seen when the system is under heavy file I/O and has many open files mapped into the memory cache. A prototype PTE is a structure that maps the physical location of a page or set of pages to a memory mapped file. ![]() The MmSt pool tag is used by the Memory Manager when reserving memory for section prototype PTEs. This post is to go much further in depth to the use of this tag and common issues we see related to it. ![]()
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