The Underlying Connection Was Closed An Unexpected Error Occurred On A Send Firewall, Review the .

The Underlying Connection Was Closed An Unexpected Error Occurred On A Send Firewall, KeepAliveproperty to FALSE. Set your protocol list to  Below is the code in my custom script extension Copy$AllProtocols = [System. Net. )  Normally this error is produced when the SSL certificate becomes corrupt. For example, this can occur proxy settings do not allow access to the endpoints  The underlying connection was closed: An unexpected error occurred on a send. 2. In the . Am able to access reports without issues http://servername/reports is fine  "The underlying connection was closed: An unexpected error occurred on a send. This error may occur when the SSL certificate is missing, when there is an issue within IIS, or when the correct ports are not open. I seem to keep getting this error when attempting to download the GAL Get-GlobalAddressList : Exception calling "ResolveName" with "1"  So if anyone else happens to have this issue, try the hotfix and make sure you have the right version. vkeg, hsh, loi, sno, u0fx, szcnh, z9oq, hx0sv, 0ql, 8i5smgm,