Tag Archive for High CPU

High CPU and Disk I/O when mapping Session Printers on W2K8R2 RDS

A client experienced Intermittent High CPU and Increased Disk I/O with SPOOLSV.EXE When Mapping TS User Session Printers on Windows Server 2008 R2 (Provisioned on Citrix Xenserver 6.0.2). A large amount of printers where mapped for each new user session. During the most logon extensive period in the morning the whole environment came to a grinding halt. After thorough investigation we noticed that with each client session starting heavy disk I/O was noticeable in the %system32%\spool\driver\3 folder. One could see the creation of a {GUID}-folder for each printer created during a session logon. The folder disappeared straightaway after the printer was mapped. Read more