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Microsoft Exchange Patch Potentially Stopping Mail Flow

Our technicians at Network Depot noticed that some of our exchange servers went offline earlier today. This is due to a Microsoft patch which went out that is blocking mail flow on some servers.

We were able to correct the issue by executing an IIS reset on the servers in question and mail returned to normal.

We recommend that you take a moment to review any Exchange servers that you have running and execute an IIS reset or reboot them if necessary.

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