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RPC_S_SERVER_UNAVAILABLE error (0x6ba)
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RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 28.Jun.2010 1:21:56 PM
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sonu
Posts: 28
Joined: 25.May2010
Status: offline
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I have finally figured out most issues and am stuck on one right now. From the exchange connectivity test, everything works except this,
Attempting to ping RPC Endpoint 6001 (Exchange Information Store) on server domain.edu
The attempt to ping the endpoint failed.
Additional Details
RPC_S_SERVER_UNAVAILABLE error (0x6ba) was thrown by the RPC Runtime
There was a link on how to solve it http://technet.microsoft.com/en-us/library/dd439392%28EXCHG.80%29.aspx
I followed all the suggestions, checked and double-checked everything, but it still does not work.
Any advice?
Thanks.
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RE: RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 28.Jun.2010 7:10:57 PM
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sonu
Posts: 28
Joined: 25.May2010
Status: offline
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Yup, I followed that link as well.
Now, regarding disabling IPV6, do you mean just commenting out the host file part (which has been done) or completely disabling IPV6. The following talks about how to do it and some consequences.
http://www.windowsreference.com/networking/disable-ipv6-in-windows-server-20008-full-core-installation/
I can try disabling IPV6 completely by going into the registry, but the only concern is that as noted by a user in the link above, there can be dangerous and ever lasting consequences. I can try just disabling in the NIC if that can help and is not dangerous.
Thanks.
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RE: RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 29.Jun.2010 5:04:07 AM
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Marc.dekeyser
Posts: 225
Joined: 19.Apr.2010
Status: offline
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Please don't disable IPv6 :'(!!
AD and exchange communication is preferably done trough IPv6 and many issues can and will turn up! There is no real need to disable IPv6...
_____________________________
* No rights or priviliges can be taken from my posts.
* Always make a backup!
* http://kb.geminon.be
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RE: RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 29.Jun.2010 9:37:08 AM
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sonu
Posts: 28
Joined: 25.May2010
Status: offline
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Thanks. I will not. Any pointers on this issue then?
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RE: RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 30.Jun.2010 9:55:11 AM
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Exchange_Geek
Posts: 1287
Joined: 31.Dec.2006
Status: offline
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Use Port query to check which ports you can communicate from outside/internal network clients.
Secondly, are you able to simply ping that box - leave aside the ports.
Regards,
Exchange_Geek
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RE: RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 30.Jun.2010 1:46:26 PM
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sonu
Posts: 28
Joined: 25.May2010
Status: offline
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NMAP reveals the following from the inside.
PORT STATE SERVICE
25/tcp open smtp
80/tcp open http
135/tcp closed msrpc
139/tcp closed netbios-ssn
443/tcp open https
445/tcp closed microsoft-ds
587/tcp open submission
593/tcp open http-rpc-epmap
808/tcp open ccproxy-http
1801/tcp open unknown
2103/tcp open zephyr-clt
2105/tcp open eklogin
2107/tcp open unknown
3389/tcp open ms-term-serv
6001/tcp open X11:1
6002/tcp open X11:2
6004/tcp open X11:4
6005/tcp open X11:5
6006/tcp open X11:6
6007/tcp open X11:7
and following from outside.
PORT STATE SERVICE
25/tcp open smtp
80/tcp open http
443/tcp open https
I am unable to ping from inside and outside. I am unable to connect using outlook anywhere from inside and outside. Before I had to reinstall it, I was able to connect. Not sure what is wrong now.
Please advise. Thanks.
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RE: RPC_S_SERVER_UNAVAILABLE error (0x6ba) - 9.Jul.2010 10:47:40 AM
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Marc.dekeyser
Posts: 225
Joined: 19.Apr.2010
Status: offline
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Well if you're not able to ping it... Is the firewall on?
_____________________________
* No rights or priviliges can be taken from my posts.
* Always make a backup!
* http://kb.geminon.be
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