Try to open CRM Form usually edit.aspx page with a few iframes.
in some cases screen Stuck.
The reason for that is internet explorer Settings.
The default connection for internet explorer is two. It means the main form request data + one of the iframes then other iframes wait.. this problem Causes CRM to be freeze.
Solution:
Change the default values:
Open register page:
1. Go to start - > run and Type regedit:
2. Define MaxConnectionsPer1_0Server and MaxConnectionsPerServer like the following example
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings] MaxConnectionsPer1_0Server = dword: 0000000a
MaxConnectionsPerServer = dword: 0000000a
Thanks,
Rami Heleg
