GroupPolicy Limit Max Profile Size (want more than 30Mb)

Dig into %windir%\inf - open the file called "system.adm" and

search for the string called "MaxProfileSize".

You see those three lines there:

VALUENAME "MaxProfileSize"

DEFAULT 30000

MAX 30000

MIN 300

Change the MAX - line to MAX 100000

for 100MB or whatever you need as the maximum. The value is given Kilobytes.