We have two servers that constantly getting hammered with audit failures to the point where the server starts to run really slow. one of them runs a software called facts which is all in pos/inventory system and the other has all the pdf documents for the facts server and name of the software is udam. The second server is also the print server for the 1st server. so they need to obviously need to communicate with each other. Recently I have noticed thousands of audit failures come from server 2 to server 1 to the point where server one can not function and I noticed that it is coming from c:\windows\explorer.exe.. I thought it could be a virus I am running malwarebytes premium on both I also ran hitman pro, dint find anything other than 2 adwares which were removed. I am attaching a file with both event id details. Any help will be very much appreciated
EVENT ID 4776
Log Name: Security
Source: Microsoft-Windows-Security-
Auditing
Date: 11/17/2017 4:19:28 PM
Event ID: 4776
Task Category: Credential Validation
Level: Information
Keywords: Audit Failure
User: N/A
Computer: Fax.companyname.local
Description:
The computer attempted to validate the
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