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Error Code 64: Host not available – ISA error

10 pts.

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ISA Server

ISA Server 2004

Hello Sir;

When I am accessing the internal website from other system, I get below error. How can I bypass internal broadcast from ISA server?

I alread bypass from broweser's internet option but still same issue.

With Regards

Bhupendra Jesalpura

9426372705

Software/Hardware used:
ISA 2004

Asked: March 24, 2010 2:19 PM Last updated: September 23, 2013 7:53 AM

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JimmyIT 1,725 pts. · Accepted Answer · 2010-03-29T15:56:22+00:00

Thanks. We'll let you know when a new response is added.

To get rid of the error go to the registry and change the following key.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ Tcpip\Parameters And set EnablePMTUDiscovery to 1 then reboot the machine.