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Rank: Premium user
Groups: Member
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Joined: 2/7/2008
Posts: 31
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This code executed in a login script solves ALL my WMI RCP problems ( at least for Windows XP)... I hope it helps someone.
sub WMIAdmin
dim objFirewall, objPolicy, objAdminSettings
Set objFirewall = CreateObject("HNetCfg.FwMgr")
Set objPolicy = objFirewall.LocalPolicy.CurrentProfile
Set objAdminSettings = objPolicy.RemoteAdminSettings
objAdminSettings.Enabled = TRUE
end sub
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Rank: Freeware user
Groups: Member
Joined: 2/26/2008
Posts: 7
Location: Greenville, IL
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I had some random stations giving the RPC error and it had to do with DNS. To make sure DNS is configured correctly for a station, do the following. Go to a command line and do (our station is called OFFICECOMPUTER)
nslookup officecomputer
this should return an IP address for that station. If it does not, you do not have an A record for that machine in DNS. Add it to your DNS
Then take that ip address returned from the previous command (say 10.10.10.5) and do
nslookup 10.10.10.5
This should return the name of officecomputer.yourdomain.com if it does not return that entry or returns another name, then you need to correct
the reverse entry in your DNS to reflect the correct station name. I have found that Windows DNS updates its forward DNS when you put in a new station that has the same IP as an old machine but a different name, but reverse DNS is not always updated correctly. Most of the problems I had were from forward and reverse DNS not pointing to the same machine.
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Rank: Freeware Member
Groups: Member
Joined: 2/28/2008
Posts: 20
Location: Österreich
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Hello, i tried everything - but it does not work.
Same Error - firewall is turned of, service is running - registry is OK!!!
Ping test OK
Remote registry test OK
Remote WMI access test FAILED
Der RPC-Server ist nicht verfügbar. (Ausnahme von HRESULT: 0x800706BA)
Remote \\192.168.11.122\c$ access test OK
i have this Problem just on 2 computers - of about 106.
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Rank: Premium user
Groups: Member
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Joined: 1/24/2008
Posts: 13
Location: UK
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Just a quick note on this: I am using Microsoft ISA Server 2006 with rules to determine what traffic goes out to our remote sites. For the computers in the sites i was getting the "RPC server unavailable" error message i did the following: Right click the rule and go to: Configure RPC Protocol and untick the " Enforce strict RPC compliance" box. hope this helps.
Optilan Communication Systems www.optilan.com
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Rank: Premium user
Groups: Member
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Joined: 5/19/2008
Posts: 2
Location: Adelaide
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Hi
We have installed lansweeper on several SBS 2003 networks and all PCs are having the same issue
Wmierror The RPC server is unavailable. (Exception from HRESULT: 0x800706BA) XW4400 (192.168.241.18). The connection tester reports the same.
Have checked DNS, disabled firewall, changed ISA 2006 RFC compliance, run Micrsoft WMIDiag and a few other things we have found in the forums to no avail.
Wondering perhaps if there is an issue specific to SBS2003?
TIA Andrew
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Rank: Administration
Groups: Administration
Joined: 2/10/2005
Posts: 1,167
Location: Hamme Belgium
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Could you run dcomcnfg and compare the security settings on this server with other servers.
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Rank: Freeware user
Groups: Member
Joined: 6/5/2008
Posts: 2
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We are suffering the same problems with SBS2003 in that the RPC server cannot be found by the XP clients, all suggestions on this site have been carried out to no avail. Run dcomcnfg and this is set as per other responses on this site. Assistance would be grateful
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Rank: Administration
Groups: Administration
Joined: 2/10/2005
Posts: 1,167
Location: Hamme Belgium
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If somebody can provide me a remote desktop to their SBS2003 (english) server I want to take a look at it.
(contact me by mail if you are interested)
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Rank: Freeware user
Groups: Member
Joined: 12/11/2007
Posts: 2
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We had the same problems on SBS2003 with ISA server 2004.
To solve this problem, you have to disable the RPC filter in ISA 2004 and make a access rule with Disable Enforce Strict RPC:
-Start ISA 2004
-Move to Server, Configuration, Add-Ins
- Rightclick: RPC Filter, and choose for disable
After this:
- Create a new Access Rule
- From internal to localhost/internal
- Choose this protocol: RPC (all interfaces)
- Apply
- Rightclick the rule, and choose for: Configure RPC protocol
- Uncheck the option: Enforce strict RPC
- Apply
After this, it works for us.
We still have problems with some Vista Business workstations, they still have RPC problems, access denied
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Rank: Administration
Groups: Administration
Joined: 2/10/2005
Posts: 1,167
Location: Hamme Belgium
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Thanks Jeroen. Quote:We still have problems with some Vista Business workstations, they still have RPC problems, access denied The remote registry service is disabled by default on vista, maybe this is causing the problem.
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Rank: Freeware user
Groups: Member
Joined: 7/4/2008
Posts: 1
Location: India
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1st post yes...
been tryin to lookup this error slooution frm a few days now but to no avail ... tried the reverse DNS lookups its fine , the services are running with admin rights , NO ISA in my domain ,
havent tried the logon script above ..will keep u upadted
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