Network Load Balancing Access Denied Error Connecting
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in to vote We have 2 Windows 2012 R2 servers, both are running on workgroup. We set up NLB cluster. When we open NLB Manager on the server2, then message shows "loading configuration information. Access denied. Error connecting to server1". There is no issue doing this on server1, NLB Manager is able to connect to both servers. We login using default administrator account, both account name and password are the same for 2 servers. When we check security event log on server1, there is this strange Audit Failure log using account "test_nlb" from server2 which related to "Access denied" error. Please let us know how to resolve this. Thanks in advance. Event ID: 4776 The computer attempted to validate the credentials for an account. Authentication Package: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0 Logon Account: test_nlb Source Workstation: WPAAP2 Error Code: 0xc0000064 An account failed to log on. Event ID: 4625 Subject: Security ID: S-1-0-0 Account Name: - Account Domain: - Logon ID: 0x0 Logon Type: 3 Account For Which Logon Failed: Security ID: S-1-0-0 Account Name: test_nlb Account Domain: WPAAP2 Failure Information: Failure Reason: Unknown user name or bad password. Status: 0xc000006d Sub Status: 0xc0000064 Process Information: Caller Process ID: 0x0 Caller Process Name: - Network Information: Workstation Name: WPAAP2 Source Network Address: 192.168.70.45 Source Port: 55136 Detailed Authentication Information: Logon Process: NtLmSsp Authentication Package: NTLM Transited Services: - Package Name (NTLM only): - Key Length: 0 This event is generated when a logon request fails. It is generated on the computer where access was attempted. The Subject fields indicate the account on the local system which requested the logon. This is most commonly a service such as the S
NLB Manager gives "Access Denied" Error in Workgroupmode Posted on September 6, 2012 | Leave a comment While working in security zones like DMZ, you might come across the need to configure a Windows Network Load Balancing (WNLB) cluster across two servers. Servers in DMZ are usually in a Workgroup mode unless you have a seperate active directory domain for centrally managing the DMZ Servers. The NLB Clusters can be accessed by navigating to the Windows Network Load Balancing Manager (Start -> Administrative Tools -> Network Load Balancing Manager) of any Server participating in the NLB Cluster. If the NLB Cluster is accessed using the local "Administrator" account then we have the https://social.technet.microsoft.com/Forums/windowsserver/en-US/c01501ba-5207-4f92-ac39-8a78fe0d36da/network-load-balancing-access-denied-when-loading-configuration-information-from-host2?forum=winserverClustering following two scenarios: Local “Administrator” account on both Servers have the same Password: In this case the NLB Manager can access both the Servers participating in the NLB Cluster without any issues. Local “Administrator” account on both Servers have the different Passwords: In this case the NLB Manager can access only the local Server. But to access the Second Server, you will be prompted to enter the credentials. You can alternatively save https://ibrahimnore.wordpress.com/2012/09/06/nlb-manager-gives-access-denied-error-in-workgroup-mode/ these Credentials by navigating to NLB Manager -> Options -> Credentials. If the NLB Cluster is accessed using any other user which is a part of the local "Administrators" group then only the local server will be accessible. But you will get an "Access Denied" message while accesing the second host in the NLB Cluster. The Second host can be accessed by saving the Administrator account credetails by navigating to NLB Manager -> Options -> Credentials. When a local administrator account is used, everything works fine as expected. This is because the Security Identifier (SID) of the local "Administrator" account is identical on all Servers. When you manually create an account on each Server and add it to the local "Administrators" Group then eventhough you might use the same username, its Security Identifier (SID) differs from Server to Server. SID which is a part of the "Administrators" Group on one Server is non existent on the other Server and hence the message "Access Denied". There are ways to clone a user SID and make it identical on both Servers, but these ways are not recommended by Microsoft. So the best option is to use the local "Administrator" account while in Workgroup mode. Share this:ShareGoogleTwitterFacebookTumblrLinkedInEmailLike this:Like Loading... Related This entry was posted in Network Load Balancing NLB and
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