title
Using Server Manager in Windows Server 2012 to Administer Remote Servers

description
Info Level: Intermediate Presenter: Eli the Computer Guy Date Created: May 22, 2013 Length of Class: 17:15 Tracks Servers Prerequisites Ability to Install Windows Server 2012 and Create an Active Directory Domain. Purpose of Class This class shows students how to use Server Manager to Administer and Maintain Remote Server on an Enterprise Network. Class Notes To Administer Servers: Manage -- Add Servers To Create Server Groups: Manage -- Create Server Group To be able to use specific management functions you may have to change Firewall Rules and Service Configurations WARNING: All server have to have be set to the same date and time. Corrections Lab Setup Used in Demonstration The ETCG Host Computer Specs are: ASUS Model: CM6870US01 16 GB of RAM 1 TB 7200 RPM Hard Drive i7 3.4 GHz Intel Processor Windows Server 2012 Domain Controller Virtual Machine AD, DNS, and DHCP ETCG.com Domain Created Internal Network Connection in VirtualBox Windows Server 2012 Member Server Virtual Machine Internal Network Connection in VirtualBox Study Guide Resources

detail
{'title': 'Using Server Manager in Windows Server 2012 to Administer Remote Servers', 'heatmap': [{'end': 433.824, 'start': 402.486, 'weight': 1}, {'end': 789.425, 'start': 767.731, 'weight': 0.708}], 'summary': 'Learn to administer remote servers using server manager in windows server 2012, managing a cluster of 10 servers, setting up virtual networks, and synchronizing server time for network stability. the content emphasizes the challenges of administering large numbers of servers and the shift to server clusters in enterprise environments, along with the importance of adding servers to the control panel within active directory.', 'chapters': [{'end': 168.165, 'segs': [{'end': 48.533, 'src': 'embed', 'start': 26.409, 'weight': 0, 'content': [{'end': 36.211, 'text': "so when you're dealing with a real enterprise environment, you're going to be dealing with possibly hundreds or even thousands of different servers,", 'start': 26.409, 'duration': 9.802}, {'end': 41.512, 'text': 'and being able to maintain them and administer them can be a real pain in the butt.', 'start': 36.211, 'duration': 5.301}, {'end': 48.533, 'text': "so a lot of you guys you know when you are new, you are thinking about your environment or you're thinking about like a small business environment.", 'start': 41.512, 'duration': 7.021}], 'summary': 'Managing hundreds or thousands of servers in an enterprise environment can be challenging and time-consuming.', 'duration': 22.124, 'max_score': 26.409, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s26409.jpg'}, {'end': 120.625, 'src': 'embed', 'start': 93.291, 'weight': 1, 'content': [{'end': 96.732, 'text': "Let me go over to that one server and figure out what's going on.", 'start': 93.291, 'duration': 3.441}, {'end': 99.813, 'text': 'Well in the enterprise world.', 'start': 97.092, 'duration': 2.721}, {'end': 110.016, 'text': 'remember that we are moving to having our systems be more robust and more redundant, so that if a single server or even multiple servers fail,', 'start': 99.813, 'duration': 10.203}, {'end': 114.64, 'text': 'The end user, the client, does not even realize it.', 'start': 110.376, 'duration': 4.264}, {'end': 120.625, 'text': 'The way that that is done is by creating clusters of servers in order to provide services.', 'start': 115, 'duration': 5.625}], 'summary': 'Moving to more robust and redundant systems with server clusters for seamless service provision.', 'duration': 27.334, 'max_score': 93.291, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s93291.jpg'}], 'start': 4.312, 'title': 'Using server manager in windows server 2012', 'summary': 'Discusses how to administer remote servers using server manager in windows server 2012. it highlights the challenges of administering large numbers of servers and the shift from single servers to server clusters in enterprise environments.', 'chapters': [{'end': 168.165, 'start': 4.312, 'title': 'Using server manager in windows server 2012', 'summary': 'Discusses using server manager in windows server 2012 to administer remote servers, highlighting the challenges of administering large numbers of servers and the shift from single servers to server clusters in enterprise environments.', 'duration': 163.853, 'highlights': ['In enterprise environments, there may be hundreds or even thousands of servers, making server administration challenging. Dealing with possibly hundreds or even thousands of different servers can be a real pain in the butt.', 'The shift to more robust and redundant systems in enterprise environments involves creating clusters of servers to provide services. Moving to having systems be more robust and more redundant is done by creating clusters of servers in order to provide services.', "In small business environments, administering a small number of servers is typically done by physically going to the server, while in enterprise environments, identifying and addressing server issues becomes more complex due to the presence of server clusters. In small environments, it's generally easy to know what the problem is, but in enterprise environments, identifying and addressing server issues becomes more complex due to the presence of server clusters."]}], 'duration': 163.853, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s4312.jpg', 'highlights': ['Dealing with possibly hundreds or even thousands of different servers can be a real pain in the butt.', 'Moving to having systems be more robust and more redundant is done by creating clusters of servers in order to provide services.', "In small environments, it's generally easy to know what the problem is, but in enterprise environments, identifying and addressing server issues becomes more complex due to the presence of server clusters."]}, {'end': 476.582, 'segs': [{'end': 195.602, 'src': 'embed', 'start': 168.586, 'weight': 0, 'content': [{'end': 174.799, 'text': "It's file services aren't working and I have a cluster of 10.", 'start': 168.586, 'duration': 6.213}, {'end': 176.261, 'text': 'What do I do now??', 'start': 174.799, 'duration': 1.462}, {'end': 184.529, 'text': "Well, with the server manager that's built into Server 2012,, what you can do is you can actually go and you can administer,", 'start': 176.681, 'duration': 7.848}, {'end': 195.602, 'text': 'administrate those servers remotely, be able to do things like look at the event viewer, restart the server, add roles and functionality,', 'start': 184.529, 'duration': 11.073}], 'summary': 'File services not working for cluster of 10 servers; use server 2012 manager for remote administration.', 'duration': 27.016, 'max_score': 168.586, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s168586.jpg'}, {'end': 231.083, 'src': 'embed', 'start': 208.417, 'weight': 1, 'content': [{'end': 220.56, 'text': 'look at the event viewer for each individual server and then find out server number eight is having something wacky going on with the TCP IP and then you can go and you can administer server number eight.', 'start': 208.417, 'duration': 12.143}, {'end': 222.721, 'text': "It'll make your life a lot easier.", 'start': 220.7, 'duration': 2.021}, {'end': 231.083, 'text': "So the best way to explain this is just to go onto the computer and start showing you this, because as always, it's not difficult.", 'start': 223.001, 'duration': 8.082}], 'summary': 'Server number eight is experiencing issues with tcp/ip, check event viewer for details.', 'duration': 22.666, 'max_score': 208.417, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s208417.jpg'}, {'end': 276.833, 'src': 'embed', 'start': 253.774, 'weight': 4, 'content': [{'end': 262.722, 'text': "And, as you can see, I've been adding servers so that we can start doing some more fun stuff going forward, start getting into things like clustering,", 'start': 253.774, 'duration': 8.948}, {'end': 264.003, 'text': "so you guys understand what's going on.", 'start': 262.722, 'duration': 1.281}, {'end': 266.865, 'text': "So I've created a couple of new servers.", 'start': 264.443, 'duration': 2.422}, {'end': 269.467, 'text': 'So I have the file server we used in a different class.', 'start': 266.885, 'duration': 2.582}, {'end': 273.791, 'text': "then I created file server two and file server three, and I'm going to create three or four more.", 'start': 269.467, 'duration': 4.324}, {'end': 276.833, 'text': "So basically, this is the setup that we're looking at.", 'start': 274.131, 'duration': 2.702}], 'summary': 'Added multiple servers for clustering, including file servers. planning to create more servers for the setup.', 'duration': 23.059, 'max_score': 253.774, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s253774.jpg'}, {'end': 321.145, 'src': 'embed', 'start': 298.309, 'weight': 5, 'content': [{'end': 310.217, 'text': 'The reason that I have left this off is because I want to show you that you can add servers to the control panel that are within Active Directory even if they are turned off.', 'start': 298.309, 'duration': 11.908}, {'end': 317.282, 'text': "So if you're trying to figure out what's going on with the network, you can add a whole batch of servers and then see that, oh look,", 'start': 310.658, 'duration': 6.624}, {'end': 319.224, 'text': "file isn't even turned on.", 'start': 317.282, 'duration': 1.942}, {'end': 321.145, 'text': "Let me go figure out what's going on with that.", 'start': 319.404, 'duration': 1.741}], 'summary': 'Demonstrates adding servers to control panel within active directory even if turned off, aiding network troubleshooting.', 'duration': 22.836, 'max_score': 298.309, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s298309.jpg'}, {'end': 433.824, 'src': 'heatmap', 'start': 402.486, 'weight': 1, 'content': [{'end': 405.629, 'text': 'In order to do that, what we do is we go up and we click on Manage.', 'start': 402.486, 'duration': 3.143}, {'end': 408.882, 'text': 'And then we go down to add servers.', 'start': 406.84, 'duration': 2.042}, {'end': 413.005, 'text': 'From here, we can add servers to the control panel.', 'start': 410.243, 'duration': 2.762}, {'end': 415.728, 'text': 'So the location is ETCG.', 'start': 413.426, 'duration': 2.302}, {'end': 416.989, 'text': 'So this is that domain.', 'start': 415.788, 'duration': 1.201}, {'end': 421.273, 'text': 'So you can leave this at the default and you can simply do find now.', 'start': 417.469, 'duration': 3.804}, {'end': 428.299, 'text': 'So this will bring up all of the computers and servers that are currently members of this domain.', 'start': 421.913, 'duration': 6.386}, {'end': 433.824, 'text': 'So we have Server, we have some Windows 8 computers, we have File, and we have File 2.', 'start': 428.679, 'duration': 5.145}], 'summary': 'Adding servers to the control panel in etcg domain, including server, windows 8 computers, file, and file 2.', 'duration': 31.338, 'max_score': 402.486, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s402486.jpg'}], 'start': 168.586, 'title': 'Remote server management and virtual network setup', 'summary': 'Covers remote server management in server 2012, allowing remote administration of a cluster of 10 servers, along with setting up a virtual network with windows server 2012, adding multiple servers, and managing them through the server manager. it emphasizes the importance of adding servers to the control panel within active directory.', 'chapters': [{'end': 231.083, 'start': 168.586, 'title': 'Remote server management in server 2012', 'summary': 'Discusses how server manager in server 2012 allows remote administration of a cluster of 10 servers, enabling tasks such as event viewer monitoring, restart, and role addition, ultimately streamlining server management.', 'duration': 62.497, 'highlights': ['Server Manager in Server 2012 enables remote administration of a cluster of 10 servers, facilitating tasks like event viewer monitoring, server restart, and role addition, enhancing efficiency in server management.', 'The tool allows viewing the event viewer for each individual server in the cluster, providing insights into server issues such as TCP/IP problems, increasing troubleshooting capabilities.', 'Remote administration via Server Manager streamlines tasks like server restart and adding roles and functionality, saving time and effort in managing multiple servers.', 'The feature simplifies identifying issues in specific servers within the cluster, such as server number eight experiencing TCP/IP problems, allowing for targeted troubleshooting and resolution.']}, {'end': 476.582, 'start': 231.523, 'title': 'Setting up virtual network and adding servers', 'summary': 'Discusses setting up a virtual network with windows server 2012, adding multiple servers, and managing them through the server manager, emphasizing the importance of adding servers to the control panel within active directory.', 'duration': 245.059, 'highlights': ['Setting up a virtual network with Windows Server 2012 and adding multiple servers for future functionalities like clustering. Windows Server 2012, multiple servers', 'Demonstrating the process of adding servers to the control panel within Active Directory, even if they are turned off, to manage network issues effectively. Active Directory, adding servers, network troubleshooting', 'Emphasizing the need to add servers to the control panel within Active Directory to effectively manage and administer remote servers. Managing remote servers, Active Directory']}], 'duration': 307.996, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s168586.jpg', 'highlights': ['Server Manager in Server 2012 enables remote administration of a cluster of 10 servers, facilitating tasks like event viewer monitoring, server restart, and role addition, enhancing efficiency in server management.', 'The tool allows viewing the event viewer for each individual server in the cluster, providing insights into server issues such as TCP/IP problems, increasing troubleshooting capabilities.', 'Remote administration via Server Manager streamlines tasks like server restart and adding roles and functionality, saving time and effort in managing multiple servers.', 'The feature simplifies identifying issues in specific servers within the cluster, such as server number eight experiencing TCP/IP problems, allowing for targeted troubleshooting and resolution.', 'Setting up a virtual network with Windows Server 2012 and adding multiple servers for future functionalities like clustering.', 'Demonstrating the process of adding servers to the control panel within Active Directory, even if they are turned off, to manage network issues effectively.', 'Emphasizing the need to add servers to the control panel within Active Directory to effectively manage and administer remote servers.']}, {'end': 1029.444, 'segs': [{'end': 577.043, 'src': 'embed', 'start': 477.422, 'weight': 0, 'content': [{'end': 483.425, 'text': 'is all your servers on the network need to be set to the exact same time.', 'start': 477.422, 'duration': 6.003}, {'end': 494.051, 'text': 'I honestly was ripping out the little hair I had left about half an hour ago trying to set up this lab because things were not working properly.', 'start': 484.146, 'duration': 9.905}, {'end': 503.135, 'text': 'And what I found out was that literally file two, the server time was off by one day.', 'start': 494.791, 'duration': 8.344}, {'end': 507.298, 'text': 'Like somehow the date on file two got changed.', 'start': 503.235, 'duration': 4.063}, {'end': 510.22, 'text': 'And so file two had a different date than server.', 'start': 507.458, 'duration': 2.762}, {'end': 517.784, 'text': 'And so when the server manager tried to communicate with file two, everything failed and it kind of went a little nasty.', 'start': 510.74, 'duration': 7.044}, {'end': 527.292, 'text': 'So make sure, the big thing here is make sure the time and date on all of your servers are the same.', 'start': 518.184, 'duration': 9.108}, {'end': 531.713, 'text': 'So as long as this is, you can add the server and then it will show up here.', 'start': 528.032, 'duration': 3.681}, {'end': 539.896, 'text': "So we got a little warning while I was talking, and that's because the file computer target computer not accessible.", 'start': 532.194, 'duration': 7.702}, {'end': 542.017, 'text': 'So if this was a network environment,', 'start': 540.257, 'duration': 1.76}, {'end': 548.9, 'text': "this is where I'd trudge down to the server room and see if some yak acid unplugged the thing or if the power supply had died whatever.", 'start': 542.017, 'duration': 6.883}, {'end': 551.681, 'text': 'So now we can look at File 2.', 'start': 549.7, 'duration': 1.981}, {'end': 556.563, 'text': 'And the cool part is, is if I right click on File 2, I get a whole bunch of options.', 'start': 551.681, 'duration': 4.882}, {'end': 562.006, 'text': "And these are the commonly used tools for when you're administering a server.", 'start': 556.984, 'duration': 5.022}, {'end': 565.588, 'text': 'So from here, I can add roles and features.', 'start': 562.386, 'duration': 3.202}, {'end': 568.892, 'text': 'From here, I can restart that remote server.', 'start': 566.148, 'duration': 2.744}, {'end': 577.043, 'text': 'From here, I can do computer management or remote desktop connection or PowerShell or all of this different stuff.', 'start': 569.273, 'duration': 7.77}], 'summary': 'Ensure all servers have synchronized time and date to prevent communication failures and network issues.', 'duration': 99.621, 'max_score': 477.422, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s477422.jpg'}, {'end': 789.425, 'src': 'heatmap', 'start': 767.731, 'weight': 0.708, 'content': [{'end': 777.907, 'text': 'What we can do is we can go up to Manage, we can go down and do create server group.', 'start': 767.731, 'duration': 10.176}, {'end': 786.043, 'text': 'So we go to create a server group, and from here, the server will tell you what servers that it has in the Active Directory.', 'start': 779.178, 'duration': 6.865}, {'end': 789.425, 'text': "And so let's create a file server group.", 'start': 786.483, 'duration': 2.942}], 'summary': 'Create a file server group from the manage menu, using servers from active directory.', 'duration': 21.694, 'max_score': 767.731, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s767731.jpg'}, {'end': 876.471, 'src': 'embed', 'start': 846.68, 'weight': 3, 'content': [{'end': 852.084, 'text': "How do I do it? So by creating these groups, you're able to do that.", 'start': 846.68, 'duration': 5.404}, {'end': 857.788, 'text': "So it's just go up, manage, create server group, and you can create your little server group.", 'start': 852.144, 'duration': 5.644}, {'end': 859.849, 'text': "So you can administer, see what's going on.", 'start': 857.808, 'duration': 2.041}, {'end': 866.384, 'text': "So that's really all there is to this class, using Server Manager in Windows Server 2012 to administer remote servers.", 'start': 860.56, 'duration': 5.824}, {'end': 868.846, 'text': 'Again the big thing to understand.', 'start': 866.825, 'duration': 2.021}, {'end': 876.471, 'text': "you know, I keep talking to you guys about the different time periods in technology, especially since I've been doing this since the mid-90s.", 'start': 868.846, 'duration': 7.625}], 'summary': 'Using server manager in windows server 2012 to create and administer server groups for remote servers.', 'duration': 29.791, 'max_score': 846.68, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s846680.jpg'}, {'end': 955.126, 'src': 'embed', 'start': 934.275, 'weight': 6, 'content': [{'end': 943.962, 'text': 'Trying to figure out which one of those servers might be having issues or which any number of those servers are having issues is a much more difficult troubleshooting procedure.', 'start': 934.275, 'duration': 9.687}, {'end': 948.864, 'text': 'So by using Server Manager, you You can create a server group of all your file servers.', 'start': 944.282, 'duration': 4.582}, {'end': 953.885, 'text': "If somebody says, hey, I'm having problems with the file sharing services, you can go, okay, no problems.", 'start': 949.224, 'duration': 4.661}, {'end': 955.126, 'text': 'You can go to that group.', 'start': 954.206, 'duration': 0.92}], 'summary': 'Using server manager to create server groups for easier troubleshooting.', 'duration': 20.851, 'max_score': 934.275, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s934275.jpg'}], 'start': 477.422, 'title': 'Server management and time synchronization', 'summary': 'Covers the significance of synchronizing server time for network stability, as well as the features and capabilities of using server manager in windows server 2012 for administering remote servers, such as right-click access to tools, server grouping, and troubleshooting in clustered environments.', 'chapters': [{'end': 551.681, 'start': 477.422, 'title': 'Synchronize server time for network stability', 'summary': 'Highlights the importance of synchronizing server time for network stability, as a server communication failure was caused by a one-day time difference, leading to an inaccessible target computer in a network environment.', 'duration': 74.259, 'highlights': ['Synchronizing server time is crucial for network stability, as a one-day time difference caused a server communication failure and rendered a target computer inaccessible in a network environment.', "In the mentioned scenario, the server's time was off by one day, leading to communication failure with 'File 2' and causing network issues.", 'The importance of ensuring the time and date on all servers in a network are the same to prevent communication failures and network instability.', 'The impact of a time difference on server communication, resulting in a warning for an inaccessible target computer in a network environment.']}, {'end': 1029.444, 'start': 551.681, 'title': 'Server manager for administering remote servers', 'summary': 'Explains how to use server manager in windows server 2012 to administer remote servers, including the ability to right-click on servers to access commonly used tools, manage and group servers for logical administration, and troubleshoot issues in clustered environments.', 'duration': 477.763, 'highlights': ['The chapter explains how to use Server Manager in Windows Server 2012 to administer remote servers. Key point: Server Manager is used for administering remote servers in Windows Server 2012.', 'The ability to right-click on servers provides access to commonly used tools for administering a server, such as adding roles and features, restarting remote servers, and accessing computer management, remote desktop connection, and PowerShell. Key point: Right-clicking on servers allows access to commonly used tools for server administration.', 'Server Manager allows for the creation of server groups, enabling logical administration by grouping servers together based on their functions or departments. Key point: Server Manager enables logical administration by creating server groups for different functions or departments.', 'Troubleshooting in clustered environments is simplified by grouping servers together, allowing administrators to identify and resolve issues more efficiently. Key point: Grouping servers together simplifies troubleshooting in clustered environments.', 'It is emphasized that all servers being connected to through Server Manager must have the same date and time to avoid errors and issues. Key point: All connected servers should have the same date and time to avoid errors in Server Manager.']}], 'duration': 552.022, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/40BGvhCpF_s/pics/40BGvhCpF_s477422.jpg', 'highlights': ['Synchronizing server time is crucial for network stability, as a one-day time difference caused a server communication failure and rendered a target computer inaccessible in a network environment.', 'The importance of ensuring the time and date on all servers in a network are the same to prevent communication failures and network instability.', 'The impact of a time difference on server communication, resulting in a warning for an inaccessible target computer in a network environment.', 'The chapter explains how to use Server Manager in Windows Server 2012 to administer remote servers. Key point: Server Manager is used for administering remote servers in Windows Server 2012.', 'The ability to right-click on servers provides access to commonly used tools for administering a server, such as adding roles and features, restarting remote servers, and accessing computer management, remote desktop connection, and PowerShell. Key point: Right-clicking on servers allows access to commonly used tools for server administration.', 'Server Manager allows for the creation of server groups, enabling logical administration by grouping servers together based on their functions or departments. Key point: Server Manager enables logical administration by creating server groups for different functions or departments.', 'Troubleshooting in clustered environments is simplified by grouping servers together, allowing administrators to identify and resolve issues more efficiently. Key point: Grouping servers together simplifies troubleshooting in clustered environments.', 'It is emphasized that all servers being connected to through Server Manager must have the same date and time to avoid errors and issues. Key point: All connected servers should have the same date and time to avoid errors in Server Manager.']}], 'highlights': ['Server Manager in Server 2012 enables remote administration of a cluster of 10 servers, facilitating tasks like event viewer monitoring, server restart, and role addition, enhancing efficiency in server management.', 'The tool allows viewing the event viewer for each individual server in the cluster, providing insights into server issues such as TCP/IP problems, increasing troubleshooting capabilities.', 'Remote administration via Server Manager streamlines tasks like server restart and adding roles and functionality, saving time and effort in managing multiple servers.', 'The feature simplifies identifying issues in specific servers within the cluster, such as server number eight experiencing TCP/IP problems, allowing for targeted troubleshooting and resolution.', 'Setting up a virtual network with Windows Server 2012 and adding multiple servers for future functionalities like clustering.', 'Demonstrating the process of adding servers to the control panel within Active Directory, even if they are turned off, to manage network issues effectively.', 'Emphasizing the need to add servers to the control panel within Active Directory to effectively manage and administer remote servers.', 'Synchronizing server time is crucial for network stability, as a one-day time difference caused a server communication failure and rendered a target computer inaccessible in a network environment.', 'The importance of ensuring the time and date on all servers in a network are the same to prevent communication failures and network instability.', 'The impact of a time difference on server communication, resulting in a warning for an inaccessible target computer in a network environment.']}