Windows Mobile Registry Tweaks For Networking
Windows Mobile devices also have a registry and the structure of Windows Mobile registry is very similar to the Registry structure in Microsoft’s operating systems like Windows XP or Windows Vista.So if you are familiar with Windows Registry, you will find this just as easy.We can customized many of the defaults on our Windows Mobile devices to suit our needs.If you have not yet delved into a registry, you will find this quite tricky.Here are some important Windows Mobile registry tweaks to improve the performance of networks and internet connectivity:
Setup GSM devices to use GPRS Only
To setup GSM devices to use GPRS Only in Windows Mobile:
HKLM\Software\OEM\UMTS,
OpMode=1
Auto connect to UTMS: OpMode=0
Permit Bluetooth and IrDA File Transfer
To permit Bluetooth and IrDA file transfer in Windows Mobile:
HKEY_LOCAL_MACHINE\Software\Microsoft\Obex
“IsEnabled”=dword:1
Disable “IsEnabled”=dword:0
Name Resolution Ordering
HKLM\Comm\AFD
“NameResolutionordering”=dword:1 = DNS then WINS
“NameResolutionordering”=dword:4 = WINS then DNS
Increase the TCP Window Size
The TCP receive window size is the amount of receive data (in bytes) that can be buffered at one time on a connection.The sending host can send only that amount of data before waiting for an acknowledgment and window update from the receiving host.
HKLM\Comm\tcpip\Parms
TcpWindowSize=dword:65535 decimal
Note:This parameter improves the system performance for higher speed networks such as 3G.
Increase Terminal Server Cache
Increasing the cache size will improve Terminal Server/Remote Desktop Connection performance
HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\
BitmapCacheSize=dword:32 decimal
Default BitmapCacheSize=dword:21 decimal
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Written by Tony on March 24th, 2009 with
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