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A server is a computer program or a machine that waits for requests from other machines or software (clients) and responds to them. This architecture is called the client–server model. The clients may run on the same computer or may connect to the server over a network. The purpose of a server is to share data or hardware and software resources among clients. Typical computing servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers.

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Hi

I am looking for advice on the following:

I have an issue within my Citrix VDI environment, that when VDI Desktops not in use are powered off for a pre-longed period of time, they automatically get placed into Maintenance mode. According to a Citrix article there is a DWORD to amend to be able do disable this behviour, which involves changing to a NEGATIVE value. I can't see how this is done as my undserstanding was a DWORD can only accept a 0 upwards:

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

DesktopServer\MaxFailedRegistrationsAllowed

DWORD

2

Controls automatic placement of power-managed VMs into maintenance mode following repeated failures to register with a DDC.

If a VM is started-up by the broker service but fails to register after the period defined by the MaxRegistrationDelayMin setting (default 20 minutes), it is shutdown again.

The MaxFailedRegistrationsAllowed value defines the maximum number of times that this start-up, registration failure, shut down cycle is allowed to repeat before a subsequent registration failure causes the VM to be automatically placed into maintenance mode.

 

The default value of 2 means that if the VM fails to register 3 times in succession, it will be automatically placed into maintenance mode.

Setting MaxFailedRegistrationsAllowed to a negative value (0xFFFFFFFF) disables this behavior and prevents VMs from ever being automatically placed into maintenance mode.

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I have installed Azure MFA on premise server, i can send a test text/phone call for imported users fine. I am trying to set 2FA for all admins account for server logons. we have all our servers as VM and we manage them remotely.

I have watched a number of youtube video which show you how to setup terminal server 2FA but thats not what am after as that require Azure MFA to be installed on the terminal server. Please can you tell me in simple terms how i can setup azure MFA for all admin account to use 2FA on premise when logging onto any servers using RDP?

what do i have to install to get this working?

Thanks
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Hello,

I cannot remove Exchange 2010, anyone any ideas?

EE
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Does anyone use Essentials anymore and if so why? What are the benefits for a small company of 10 or less people.

I've been using Server 2016 Standard more often for small businesses with 1VM as the PDC and the 2nd as Exchange. Have a client already on Office 365 thinking Essentials is the way to go. A concern is they may need an additional server, am I correct Essentials doesn't come with any VM's options and we would have to purchase another server?

Client also likes the remote access they had prior in SBS, this is an add on, correct?

Finally, am I correct and the 25 user CAL's are included in Essentials?
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Hi,

Can you please advise why IP of server is changing like

C:\Users\Administrator>ping 113.255.213.114
Pinging 113.255.213.114 with 32 bytes of data:
Reply from 113.255.218.217: Destination host unreachable.
Reply from 113.255.218.217: Destination host unreachable.

Open in new window

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Recently, our W2012R2 RDS server has started giving users problems logging in. The message is:
The number of connections to this computer is limited and all connections are in use right now. Try connecting later or contact your system administrator.

I'm having a hard time finding any helpful information on how to resolve this issue other than on desktop versions of Windows.

In a bid to get around this issue, I've opened more ports (HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp 339x), and this has given some temporary reprieve.

It seems to me that the issue is pervasive. By that I mean that the message does not disappear even if existing users log off from their RDS sessions.

This RDS server has been working fine for years, and now, suddenly, this happens.
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SCO Unix 5.05 Network Issue

So let me start by saying Im not familiar with Uniex. I had to reset the router here at my work yesterday and redo the network. This in turn lost the ip address settings in the router and now our Unix server is not connecting with the router or sending emails in visifax. I tried changing the static ip that was set up from 192.168.1.254 to 192.168.1.144 as the new router issues 192.168.1.100 through 192.168.1.149 ip address. I used netconfig for this and it took the change but to no avail. Now im dead in the water. I dont know what to check or what to change to allow for it to make a proper connection to our router. The pc's here can connect to the server through the serial direct connections and also access the router fine through the network. Any help or advice would be APPRECIATED!!!
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Hi,
1. What are the detailed steps to configure hMailserver on Win 2008 server?
2. What are the detailed steps to configure Outlook Express as the client to send/receive messages based on server configured on (1)?
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my concept
I have a homebrew "server" setup I am trying to condense into a few. I have been replacing hard disks for SSDs and now I have a lot of HDDs laying around, I do software RAID 1 with them in PCs and run Ubuntu server, but I have an idea on how I want to set it up cleanly, however, I do not know what to do, where to search for tutorials.

I attached what I want to do in a picture, if anyone could point me in the right direction, that'd be great.

Again, this is for home use, I just want to learn about servers in general and the software.

Apparently, the image didn't upload, so here goes a second try
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Hello All,

I have integrated Kamailio 4.4 with asterisk 13 LTS and I think its been properly integrated. It also shows me the registered users but when i call from 101 to 102 it gives me the below error

[May  7 12:43:14] NOTICE[19838][C-00000000]: chan_sip.c:25545 handle_request_invite: Call from '101' (192.168.56.103:5060) to extension '102' rejected because extension not found in context 'public'.

I have followed the below for installation and configuration.

http://kb.asipto.com/asterisk:realtime:kamailio-4.0.x-asterisk-11.3.0-astdb

The user database is fetching from remote host in which kamailio has been installed. Users are showing in asterisk node as well

asterisk*CLI> sip show users
Username                   Secret           Accountcode      Def.Context      ACL  Forcerport
101                                                          public           No   No
102                                                          public           No   No

So how can i debug this or is there any clue that what might be wrong. Please find below  the extension.conf details as well.

exten => _1XX,1,Dial(SIP/${EXTEN})
exten => _1XX,n,Voicemail(${EXTEN},u)
exten => _1XX,n,Hangup
exten => _1XX,101,Voicemail(${EXTEN},b)
exten => _1XX,102,Hangup

Thanks and looking forward for some clues from this community

Regards,
Atif Ramzan
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Cloud Class® Course: Microsoft Office 2010
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Cloud Class® Course: Microsoft Office 2010

This course will introduce you to the interfaces and features of Microsoft Office 2010 Word, Excel, PowerPoint, Outlook, and Access. You will learn about the features that are shared between all products in the Office suite, as well as the new features that are product specific.

Microsoft Dynamics AX slow
People at our company use Remote Desktop to access their Dynamics AX clients.
The AX Clients connects to Dynamics Application Object Severs (AOS), which in turn talk to the AX Database server. Very normal setup.

Problem:
A user will open (for example)
'Company/Sales and marketing/Common/Sales orders/All sales orders'  
or  
'Company/Service/Common/Service call/All service calls'  
(each have several thousand records)
It could take a minute or more for the record page to open.
However, if the user uses a client directly on the AOS server. (RD to the AOS, use the client on the AOS)  The page opens in >5 seconds.

Sounds like the RDS machines are the problem. RD Servers are running great. CPUs are good, Memory good, disks good, network traffic good. What else???
Problem can be repeated with just one user on the system. (normally have 200 users connected)
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I am trying to create a virtual domain in wampserver, when i try to create one in the "Add a virtualHost" panel i get the message "c:/users/edkna/desktop/allsites/site1 does not exist or is not a directory", even though there is a directory there.
I tried creating a directory in multiple places on my computer (which i have full admin rights to) I am carefull to correctly copy and past the path to the directory and paste it into the "complete absolute path of the virtualhost" field but I get this error message every time. (see the attached screen capture errorMessage.JPG)

Also another issue that is probably related to the above issue, when I tried to add a second directory in  C:\wamp\www  for a another Wordpress site, I get the following error messages:
( ! ) Warning: Unknown: failed to open stream: No such file or directory in Unknown on line 0
( ! ) Fatal error: Unknown: Failed opening required 'C:/wamp/www/site2/index.php' (include_path='.;C:\php\pear') in Unknown on line 0 (see the attached screen capture anothrErrorMessage.JPG)

Can you tell me how to fix this problem?

Hi Dave,
 you said it could be a permissions issue.  Properties/Security show I have full control.  This is also my personal computer which I have all privileges to. are you referring to some other permissions that I am not thinking of? I was able to create virtual domains six months ago, so I don't know of any thing that is different on my computer now.

Hi noci,
 I pasted in the path with …
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On Ubuntu 16.04 LTS I need to be able to monitor the entire filesystem for any changes. Can anyone recommend the best free / open source software to use ?

What I want is some software that I fire up, do a scan, leave running in the background, it records any files created or deleted and then presents me with a list or ideally a report of the changes,

Please can someone recommend a program they have personal experience of ?
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I need to setup a new server for a veterinary hospital wth 10 users on Windows 10 workstations. They currently use a workgroup with a workstation running server 2018 for shared data and printers. I want to setup an AD domain because managing user permissions and workstation setup and configuration is getting too time consuming in the workgroup environment. Their database size and shared file storage needs are very low so we don't need enterprise level power. I just want the minimal server hardware and os necessary for AD management, some remote access, group policy changes and to standardize workstation UI and software configuration, plus physical space for server hardware is very limited. Extra capacity for future growth is not necessary because they are at the maximum physical size that is possible for their location.

Thank you
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Cloud based application having issues with ldaps bind to our Domain Controller in DMZ.
The application vendor is seeing the follwoing log entries on their side:
           [7:Public User][1024:application notice][R] (:) - Unable to bind to the LDAP server.

Based on this they have taken a wireshark capture and seen the following sequence of packets:-
Source -> destination (DC)   TCP    49662->636 [ACK] Seq=805 Ack=12910
Source -> destination (DC)   TLSv1  Application data
Source -> destination (DC)   TLSv1  Encrypted Alert
Source -> destination (DC)   TCP    49662->636 [FIN, ACK] Seq=927 Ack=12910
destination (DC) -> Source   TCP    636->49662 [ACK] Seq=12910 Ack=928
destination (DC) -> Source   TCP    636->49662 [RST,ACK] Seq=12910 Ack=928

They are saying that the reason packet analyser highlights the [RST, ACT] packets in red is because after the connection closure by Cloud Application server (source) [FIN, ACK] , server is expecting a final [FIN, ACK] from Domain Controller  (destination) but [RST, ACK] arrives instead. And thus they believe that it could be a issue with the Domain Controller.

Is this claim correct?
What can we do to troubleshoot this further?
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my pc suddenly goes blank screen. What should i do except restarting it?
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I have been trying to setup a Hyper-V proof of concept system for quite some time. I am using a free Microsoft eBook titled "Deploying Hyper-V with Software Defined Storage & Networking" by Mitch Tulloch. There are probably other ways to do this, maybe better ways but this is the way I chose to do it. I have attached the eBook to this question for reference.

I am having an issue with configuring network virtualization. The steps used have you adding a couple of Gateway VMs through downloadable service templates from Microsoft. You deploy then configure these gateway VMs, create a configure a VM network and then deploy a couple of VMs on the compute host group to prove connectivity. Except the connectivity is not there. Neither VM can "see" outside its subnet as if the gateway is not doing its job.

I think the issue lies in the part where I am supposed to "configure your physical switch infrastructure to be able to route traffic into and out of this VM network and the respective virtual subnets" I am really not sure what this means.

I know this is really high-level but please ask any questions for the detail that matters to you.
Microsoft-System-Center-Deploying-Hy.PDF
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Hi

I've been tasked to setup a Powerchute network shutdown for our vmware environment.

Does anybody have experiences setting up PowerChute network shutdown for vmware esxi hosts in HA cluster environment WITHOUT attaching to vcenter?
Is it possible?

We have three esxi hosts in HA configured and these are managed vcenter which is located on different LAN.
According to official documentaion, for HA environment, connecting to vcenter is recommended, but for our case, vcenter manages hundreds other esxi hosts in other countries, so I'm nervous to connect to vcenter.
http://www.apc.com/salestools/PMAR-9DNLQK/PMAR-9DNLQK_R3_EN.pdf

We just need basic function that power chute provides such as proper shutdown of VMs in order.

Can someone advise how I should setup?

Thank you for your any help
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I am receiving intermittent issues on a client server. After a while, users cannot access the internet or internal servers. Unfortunately, I am not on site and only have access to the logs as we need to restart the server before I can get there to minimise down time for all users.

Once the server is restarted, all users can access the internet/internal servers/share drives etc.

This has only come up over the couple of months randomly. Previously the DNS servers on the server had another IP which is the virtual server NIC (nic 2) and the TCP/IP V4 DNS had 127.0.0.1. The 169.x.x.x has been removed and the 127.0.0.1 has been changed to 192.168.1.1.

Would really appreciate what else I should be looking at as this has me stumped. Are there any ports on the firewall that need to explicitly be open?

The errors at the times of the issue commencing is Netlogon error 5774 entries. I have copied one below however have slightly changed the DNS record of the internal domain name. The IP Address 192.168.1.1 is the Server 2012 R2 DC. It is the only one on the network.

The dynamic registration of the DNS record 'DomainDnsZones.DOMAINNAME.local. 600 IN A 192.168.1.1' failed on the following DNS server:  

DNS server IP address: 192.168.1.1
Returned Response Code (RCODE): 0
Returned Status Code: 10054  

For computers and users to locate this domain controller, this record must be registered in DNS.  

USER ACTION  
Determine what might have caused this failure, …
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Cloud Class® Course: Ruby Fundamentals
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Cloud Class® Course: Ruby Fundamentals

This course will introduce you to Ruby, as well as teach you about classes, methods, variables, data structures, loops, enumerable methods, and finishing touches.

When I open Dell OpenManage Server Administrator, it is correctly showing the inventory of the server, except for the physical and virtual disks on the machine. Instead, it is showing me the physical and virtual disks and RAID-5 array on a DIFFERENT machine. I have tried opening OMSA with localhost, the IP of this machine and its name, I have checked that NSlookup is only reporting the IP of this machine. Is there some way to force it to check the inventory again? I have uninstalled and reinstalled twice now.
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I have a search issue on my SharePoint 2013 farm. I not able to delete or create any search service application. When I looked at the ULS it keeps on saying the "SSA Did not match <guid> - <guid>"
This is critical for the company. Can anybody share their expertise on this please? I am attaching the log file
log-File.txt
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We've had users complain of slowness of a HyperV running on a HP ProLiant DL380p Gen8 server. I can't see anything wrong with the HyperV itself, but the host server is showing strange issues.

The first thing I noticed is that one of the CPU threads is almost constantly pegged at 100% by System:

1 CPU thread at 100%
Digging deeper with Process Explorer I can see that is is ntoskrnl.exe that is that cause, but that is the system kernel, and so doesn't narrow it down by much:

Process explorer
Deeper still with Windows Performance Analyzer, the exact library in use is hal.dll and PSHED.dll:

Windows Performance Analyzer
My thinking was this is either a driver or hardware issue, based on the components involved here. So I start with some hardware checks using HP's System Management Homepage. First thing I notice is one of the 4 memory modules is reporting "degraded". I get the bad module removed and boot back up, and everything looks fine initially. But about an hour later a different CPU thread is now pegged back at 100%.

Ok, so maybe it's a driver or different device issue. No errors showing in device manager, so I went through and disabled as many non-critical devices as I could - no change.
I also updated the drivers for the HP iLO as it didn't seem properly installed - no change.

At this point I contacted HP Enterprise support. They downloaded their Active Health System logs, but didn't find any issues. They noted that …
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Setup required:
-1 x SQL 2017 standard server
-100 x ATM machines will be accessing the SQL server

I'm currently looking at two licensing models:
-Per core
-Server + CAL

Per core licensing:
If the SQL server has 6 cores, then I will need 3 x SQL 2 core pack licensees.

Server + CAL licensing:
-I will need 1 x SQL Standard server license
-I will need 100 x SQL device CALs or can I go with 1 x SQL user CAL if all the ATMs are the same user?
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I had this question after viewing Way to restrict RDP access in 2008 server by computer name and/or mac address?.

Is SecureTS ever released?
Or is there similar tool?
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Hi,

If someone wants to lead team(s) of software engineering in large scale ecommerce companies or social network companies or Software as Service then what all things they should be familiar with especially in the space of software engineering and distributed systems.

What are some of the good books they should have read or blogs they should have internalized that they can help their teams succeed

thanks
-anshu
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Server Software

7K

Solutions

11K

Contributors

A server is a computer program or a machine that waits for requests from other machines or software (clients) and responds to them. This architecture is called the client–server model. The clients may run on the same computer or may connect to the server over a network. The purpose of a server is to share data or hardware and software resources among clients. Typical computing servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers.