Installation guide

Quarantined Networks
Determining Accessible Services Example
7-7
16:20:50.529861 IP 172.21.20.20.2586 > SA00.domain:
40773+ A? windowsupdate.microsoft.com. (45)
16:20:50.531469 IP SA00.domain > 172.21.20.20.2586:
40773 NXDomain* 0/1/0 (96)
5. Log into the NAC 800 MS console using an administrator account.
6. Navigate to the Accessible services window (System
configuration>>Accessible services).
7. Add microsoft.com to the accessible services and endpoints list.
8. Click OK.
9. On the endpoint, clear the temporary files. For Internet Explorer, select
Tools>>Internet Options>>Delete Files as shown in the following figure.
10. Repeat step 3 through step 9 until the endpoint can successfully download
service packs and hotfixes from the Windows Update service.
Figure 7-2. Clear Temporary Tiles Window