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Windows RPC Related connectivity Issues

Posted on 2013-01-04
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Last Modified: 2013-01-19
Hi Team,
I have *unknown* network related issues on my BL490G6 blade servers between my c7000 enclosures (VC Domains).
Main visibility of problem is that I can't add server to cluster from other enclosure (VC Domain) after 10-30 minutes after OS reboot or primary network connection restart.
Errors are -" Remote registry failed" or "The remote procedure call failed. (Exception from HRESULT: 0x800706BE).
In ServerManager - Kreberos authentication fails

BL490G7 - have no such errors independently of enclosure location

Network connection diagram is:
Network Connectivity Diagramm
In each VC domain - Shared upnlink set have connected through 4 up-links (2/2 - active-LACP / Stand-by-LACP). All Networks (VLANs) are bound to this SUS,
A - Cisco L2 switches
D - Cisco L3 switches with firewall modules
C - Cisco L3 switches

HP BL490G6 have NC532i on-board integrated NIC by Broadcom
HP BL490G7 have NC553i on-board integrated NIC by Emulex
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Question by:MaxEL_UA
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Expert Comment

by:tekniskgdc
ID: 38762326
This is probably becouse of the inboard NIC beeing used.  I had similiar issue and used Intel nics and there are not packet drops from those.
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Author Comment

by:MaxEL_UA
ID: 38762511
Install additional NICs is not a solution - cost is $900 per server (mezzanine adapter) + $25K per enclosure (2 x 24port 10Gbe switches).
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Accepted Solution

by:
MaxEL_UA earned 0 total points
ID: 38773356
Disabling Large Send Offload v2 has been resolution of my issues.
Chimney is disabled by default in windows installer.
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Author Closing Comment

by:MaxEL_UA
ID: 38796106
It was solution for me
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