Veeam Proxy Error

When trying to add one server as a Backup Proxy in Veeam (fully patched version 7) I am getting the error:

[ServerName] Failed to install deployment service.
The specified server cannot perform the requested operation.

--tr.Failed to create persistent connection to ADMIN$ shared folder on host [ip address].
--tr:Failed to install service [VeeamDeploymentService] was not installed on the host [ip address].

In looking this up, I tried a few things that did not fix it.

I disabled UAC completely on the server
I did the registry change
Made sure proper ports were open

I can browse from my computer at the local site to \\server\admin$ just fine and have full read/write capabilities with the account I am using to authenticate during the install.

All of my other servers worked fine, the only difference being they are all Server 2008 R2, and this is Server 2012 Datacenter.

I'm going to look back through the remote firewalls logs to see if I can see anything, but wanted to get this out there in case someone experience the same and could shed some light on the situation.
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DerekFGAsked:
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DerekFGConnect With a Mentor Author Commented:
Fixed it myself, issue was not being able to access the admin$ or any shares between only Server 2012 servers.

I created a reg DWORD HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters\RequireSecureNegotiate and set the value to 2 on all of my Server 2012 VM's.

This has resolved the issue.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Do you have Local Administrator or Domain Administrator priveleges on the Server?

can you connect to \\servername without any issues?
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DerekFGAuthor Commented:
Yes, I can connect fine to the server and to the admin$ directory with full permission.  This is a domain controller as well, as the others are.  The only difference is that it is Server 2012.

Same firewalls at all sites, same config mainly.  9 sites work, this is the only that does not.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You do not have any Group Polcies in effect for this server?
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DerekFGAuthor Commented:
Only the same that are domain wide.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
One to fire at Veeam Support.
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DerekFGAuthor Commented:
Posted the Log snippet from the Veeam Server.

Interesting enough, I can see in event viewer on the server that is failing to install that it successfully logging in and gaining full permission.

Server name and domain have been changed from log.
error.txt
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DerekFGAuthor Commented:
Solution found myself.
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