Need Consultation

I have been tasked to find IT consulting on upgrading our Network Servers. We have an ERP system called Global Shop Solutions that is running within a virtual machine VMware server instance.
That same server instance is also the Domain Controller for our network. This virtual server is configured with 8 virtual CPUs with 32 GB of memory with C-drive 60GB and D-drive(iSCSI VM drive) 192 GB(71 GB free).  After 2 weeks or 10 days of uptime the DC server runs out of memory. This requires an after-hours reboot of the DC server. If the server is not rebooted, then once all the memory is consumed the server will quit responding. Most of the times the server can be rebooted using the VMware Vcenter control center. However, if the server stays locked up and un-responsive then the complete VMware hardware needs to be rebooted. This also shuts down the other 5 servers running in the virtual VMware server and they failover to the running system.
I have a grocery list of what I believe is what we may need; therefore we will need consultation on best practices to move forward on.
Randy RodriguezAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I think the first thing I would do, is move the Domain Controller, to a new server. So you have a Domain Controller which is running just a single task e.g. Active Directory.

Do you only have a single Domain Controller, Best Practice is to have at least two ?

You can install a new Windows Server, Add Domain Controller Role, Promote to a DC, and then Transfer the Roles from Old DC to New DC, and then Demote and Remove the Old Domain Roles.

A DC, should only require a single vCPU and 4GB RAM.

8 vCPUs and 32GB is quite a lot of resource, does your ERP system require this much resource ?

Once you have removed the DC, you can see if the memory leak is specific to the ERP application ?

However, if the server stays locked up and un-responsive then the complete VMware hardware needs to be rebooted. This also shuts down the other 5 servers running in the virtual VMware server and they failover to the running system.

This does not sound good, and should not occur ?

What version of VMware vSphere are you using ?

What Host servers are you using, models, and CPU and Memory requirements ?
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Randy RodriguezAuthor Commented:
This VMware hardware has 5 virtual servers  setup including the DC. The other virtual servers are: global, FileZilla FTP server and mail server “srmail” (exchange 2003) server. The VMware ESXi 5.1.0 software is running on a Dell PowerEdge R710 with 12 CPUs at 2.659 Ghz using Intel Xeon x5650 chips. The VMware is setup for 24 logical processors and 8 Network Interface Cards(4-NICs (2-Gbe/card)) The VMware hardware is connected via iSCSI to a network storage device(Dell MD3200 Storage Array) that is shared with the 2nd VMware hardware which has the same configuration but running seven(7) virtual servers.

The VMware vShpere is Version 5.1.0 Build 941893

From my research I will probably need to Remove the Global Shop Server from the current VMware environment will free-up resources on VMware that can be used for deploying the new 2010 Email Exchange Server. We need to upgrade our Exchange/email server from 2003 version to the 2010 version. In conjunction, with the Exchange upgrade we need to also upgrade the underlying server from the Microsoft Server 2003 to the 2010 version. This can all be done on existing hardware and the only costs will be software licensing and consulting.

For Hardware needs a 19" Rack Mount, Intel E-26xx CPU with 2 Quad Core CPUs (8 CPU total), 48 GB RAM, 600 GB RAID(prefer: Raid10) Disk Array SAS at 15K RPM, 1 WIN Server STD License 2012r2 for 2 CPUs, 2 - 1GBit NIC cards and 70 Win Server 2012 Client Access Licenses will suffice.

Locating a local vendor to help with this process is basically who will accept this migration process and to stick around to make sure it works. I am currently calling/emailing people right now awaiting responses.
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Randy RodriguezAuthor Commented:
Thank you Andrew for the Feed back
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