| Event Id | 21097 |
| Source | ISA Server NNTP Filter |
| Description | ISA Server detected that network elements %1 and %2 contain overlapping address ranges %3 - %4, %5 - %6. Modify the networks so that the IP addresses included in one network are not included in any other networks. |
| Event Information |
According to Microsoft : CAUSE : An IP address can be included only in one network. This event occurs when an IP address is included in more than one ISA Server network. SOLUTION : View the network objects to determine which networks have overlapping IP addresses. Modify the networks so that there are no duplicate IP addresses. |
| Reference Links | Event id: 21097 Source id: ISA Server NNTP Filter |
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