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Crazy Brain-Twister Issue - We're at a loss!


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#1 MSStateDawg

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Posted 09 March 2017 - 04:01 PM

Distributed global environment. 5-10K servers. Some on Windows 2008. Some 2012.

 

Once per month, on almost the same date, the NIC config on the server will be lost for about 30 servers. We're in the habit of gearing up our support team the day before to expect it. You can almost set your watch by it.

 

A server reboot generally resolves the issue.

 

We have scrutinized almost everything under the sun...network hardware and OS versions, scheduled tasks and other activities, etc., etc., etc. We also have our hardware vendor working on this as well. They've found nothing either.

 

We're at a point where ANY ideas or suggestions, regardless of how crazy they may seem, are welcome for consideration.

 

Many thanks in advance.

 

 



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#2 JohnnyJammer

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Posted 09 March 2017 - 05:10 PM

I have heard of similar things and basically removing the virtual NIC and then recreating it appears to solve the issue some times but not all the time.

I gather you are running VMware hey? Also if so what version, what do you use for backing up on tapes, do you also use Veeam for replicating VM's!



#3 MSStateDawg

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Posted 09 March 2017 - 05:13 PM

I have heard of similar things and basically removing the virtual NIC and then recreating it appears to solve the issue some times but not all the time.

I gather you are running VMware hey? Also if so what version, what do you use for backing up on tapes, do you also use Veeam for replicating VM's!

 

No viritualization. No virtual NIC.

 

Crappy Backup Exec going to RDX.



#4 MasterNe0

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Posted 10 March 2017 - 01:22 PM

Are these servers all at the same location or they spread out?

 

Are they the same specs?

 

Do you have other machines hooked to the same network at the same location as these machines with problems?



#5 MSStateDawg

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Posted 10 March 2017 - 01:28 PM

Spread out across the globe.

 

There's about 3 different spec standards, but the issue occurs in multiple servers within each spec.

 

Yes, the remote locations will also have a few other servers and numerous workstations on the same network.



#6 sflatechguy

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Posted 19 March 2017 - 10:04 AM

Are those servers that lose their config info all running the same applications, or services? Or are they all doing something different?



#7 MSStateDawg

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Posted 22 March 2017 - 10:32 AM

Are those servers that lose their config info all running the same applications, or services? Or are they all doing something different?

 

They are running the same apps and performing the same function.



#8 sflatechguy

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Posted 22 March 2017 - 10:59 AM

I would start there. Could be the applications/tasks are inadvertently making configuration changes.






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