If your SAS-session crashes when you connect with RDP to a server the root-cause could be a check that SAS does for available printers.
To avoid these crashes it is possible to set a parameter in the config-file for SAS. The main config-file for SAS is called SASv9.cfg and in SAS 9.2 it’s usually located in C:\Program Files\SAS\SASFoundation\9.2\nls\en.
The parameter you have to add to the config-file is:
-noqueryports
The command below provides you with a means to flush and reset the contents of the DNS client resolver cache. During DNS troubleshooting, if necessary, you can use this procedure to discard negative cache entries from the cache, as well as, any other dynamically added entries.
ipconfig /flushdns
The post below will show how to disable fair sharing of CPU, disk and network in Windows Server 2012/2012R2. The post relies on information found in here and here.
It’s possible to disable it directly in the Windows Registry with the program RegEdit.exe or using PowerShell commands. Both approaches will be shown.
Disclaimer: Do a backup of Windows Registry in RegEdit.exe (File -> Export, remember to choose Export Range = All) before doing these changes!
It’s possible to disable fair sharing of the CPU using Regedit.exe. You have to change the value EnableCPUQuota from 1 to 0 (zero). NB! You change it by double-clicking on EnableCpuQuota. This value can be found in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Quota System
It’s possible to disable fair sharing of the disk using Regedit.exe. You have to change the value EnableFairShare from 1 to 0 (zero). This value can be found in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TSFairShare\Disk
It’s possible to disable fair sharing of the network using Regedit.exe. You have to change the value EnableFairShare from 1 to 0 (zero). This value can be found in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TSFairShare\NetFS
It is also possible to do this through PowerShell where you write the command below
(gwmi win32_terminalservicesetting -N "root\cimv2\terminalservices")
This will give you a list of the settings for terminalservices as shown below. You are interested in EnableDFSS, EnableDiskFSS and EnableNetworkFSS. For some reason EnableNetworkFSS is not set here.
To disable CPU fair sharing in PowerShell you write.
$temp = (gwmi win32_terminalservicesetting -N "root\cimv2\terminalservices") $temp.enableDFSS = 0 $temp.put()
To disable disk fair sharing in PowerShell you write.
$temp = (gwmi win32_terminalservicesetting -N "root\cimv2\terminalservices") $temp.enableDiskFSS = 0 $temp.put()
To disable network fair sharing in PowerShell you write.
$temp = (gwmi win32_terminalservicesetting -N "root\cimv2\terminalservices") $temp.enableNetworkFSS = 0 $temp.put()
With the ping command it is possible to test a network connection
ping <HOST> -t –l 1000
Example ping 8.8.8.8 –t –l 1000 (8.8.8.8 is Googles public DNS-server)
If you run it from a command prompt in windows, it will look as below. The option -t will force the ping command to run until you stop it. It’s possible to stop it by pressing Ctrl-C on the keyboard. The -l option tells ping how many bytes to send with each ping, in this case it’s a 1000 bytes.
If you want the result of the test to be sent to a file you can send it to a file using the command below.
ping 8.8.8.8 –t –l 1000 > MyTestFile.txt
When the test is done you can look for Request Timeout in the output.