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cannot access host from within virutal machine

Source: microsoft.public.virtualpc
Sent: 10/17/2006
From: Ashok Kumar
Message:

I have a problem that seems similar to other postings I've read -- but not
quite. I'm not sure what I'm doing wrong. I'm unable to access my host
machine using the UNC path (not sure if this is the correct term).

Example:

In Windows Explorer I type the following in the address box:

\\hostname\c$ (where hostname is the name of my host machine)

However, something strange is happening here. I'm able to access other
physical machines on my network from my virtual machine using the
above-mentioned syntax.

I've configured my VPC network setting to use my host's wireless card
(because there is no wired option where I work). My virtual machine is able
to access the internet just fine. It also can access any other physical
machine on my network. It just cannot access the host machine properly.

There is another more important issue here. My most important problem is
that I'm unable to access an instance of SQL Server 2000 from my virtual
machine that resides on my host machine. Again, I am able to access SQL
Server instances that reside on other physical machines on my network -- but
I can't access the SQL Server instance that resides on my host machine. When
I open Query Analyzer from within my virtual machine, I have no problem
connecting to any SQL Server instance within my network. But when I try to
connect to SQL Server on my host machine I get this message:

Unable to connect to server x. (where x is the name of my host)

Server: Msg 17, Level 16, State 1
[Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
access denied.

So there is definitely some type of networking and/or permissions issue that
I need to solve.

If anyone can help, please let me know.

Thanks.

Post Reply | This is Spam! | Mark as Spam

Related Messages

Re: cannot access host from within virutal machine

Sent: 10/17/2006
From: "Gary Mount" <(email address - cut out)>
Message:

You didn't mention if your other physical computers can access your host
computer. Perhaps the host computer needs to be configured for network
access.

"Ashok Kumar" <(email address - cut out)> wrote in message
news:(email address - cut out)...

Show quoted text

>I have a problem that seems similar to other postings I've read -- but not
> quite. I'm not sure what I'm doing wrong. I'm unable to access my host
> machine using the UNC path (not sure if this is the correct term).
>
> Example:
>
> In Windows Explorer I type the following in the address box:
>
> \\hostname\c$ (where hostname is the name of my host machine)
>
> However, something strange is happening here. I'm able to access other
> physical machines on my network from my virtual machine using the
> above-mentioned syntax.
>
> I've configured my VPC network setting to use my host's wireless card
> (because there is no wired option where I work). My virtual machine is
> able
> to access the internet just fine. It also can access any other physical
> machine on my network. It just cannot access the host machine properly.
>
> There is another more important issue here. My most important problem is
> that I'm unable to access an instance of SQL Server 2000 from my virtual
> machine that resides on my host machine. Again, I am able to access SQL
> Server instances that reside on other physical machines on my network --
> but
> I can't access the SQL Server instance that resides on my host machine.
> When
> I open Query Analyzer from within my virtual machine, I have no problem
> connecting to any SQL Server instance within my network. But when I try
> to
> connect to SQL Server on my host machine I get this message:
>
> Unable to connect to server x. (where x is the name of my host)
>
> Server: Msg 17, Level 16, State 1
> [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
> access denied.
>
> So there is definitely some type of networking and/or permissions issue
> that
> I need to solve.
>
> If anyone can help, please let me know.
>
> Thanks.
>
>

Re: cannot access host from within virutal machine

Sent: 10/18/2006
From: Bo Berglund <(email address - cut out)>
Message:

On Tue, 17 Oct 2006 19:41:02 -0700, Ashok Kumar
<(email address - cut out)> wrote:

You have not said which operating system your host is running so I am
guessing that it is XP-Pro SP2.
If that is the case then it might well be that you have not opened the
required ports in the Windows Firewall on the host.

Bo Berglund
bo.berglund(at)nospam.telia.com

Show quoted text

>I have a problem that seems similar to other postings I've read -- but not
>quite. I'm not sure what I'm doing wrong. I'm unable to access my host
>machine using the UNC path (not sure if this is the correct term).
>
>Example:
>
>In Windows Explorer I type the following in the address box:
>
>\\hostname\c$ (where hostname is the name of my host machine)
>
>However, something strange is happening here. I'm able to access other
>physical machines on my network from my virtual machine using the
>above-mentioned syntax.
>
>I've configured my VPC network setting to use my host's wireless card
>(because there is no wired option where I work). My virtual machine is able
>to access the internet just fine. It also can access any other physical
>machine on my network. It just cannot access the host machine properly.
>
>There is another more important issue here. My most important problem is
>that I'm unable to access an instance of SQL Server 2000 from my virtual
>machine that resides on my host machine. Again, I am able to access SQL
>Server instances that reside on other physical machines on my network -- but
>I can't access the SQL Server instance that resides on my host machine. When
>I open Query Analyzer from within my virtual machine, I have no problem
>connecting to any SQL Server instance within my network. But when I try to
>connect to SQL Server on my host machine I get this message:
>
>Unable to connect to server x. (where x is the name of my host)
>
>Server: Msg 17, Level 16, State 1
>[Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
>access denied.
>
>So there is definitely some type of networking and/or permissions issue that
>I need to solve.
>
>If anyone can help, please let me know.
>

Re: cannot access host from within virutal machine

Sent: 10/18/2006
From: Ashok Kumar
Message:

Bo,

Yes, I'm running Windows XP Pro, Service Pack 2. Where can I find out which
ports need to be opened on the host's Windows Firewall settings? I've not
done anything along those lines, so it would be worth a try.

Thanks,

Ashok (Ash) Kumar

"Bo Berglund" wrote:

Show quoted text

> On Tue, 17 Oct 2006 19:41:02 -0700, Ashok Kumar
> <(email address - cut out)> wrote:
>
> >I have a problem that seems similar to other postings I've read -- but not
> >quite. I'm not sure what I'm doing wrong. I'm unable to access my host
> >machine using the UNC path (not sure if this is the correct term).
> >
> >Example:
> >
> >In Windows Explorer I type the following in the address box:
> >
> >\\hostname\c$ (where hostname is the name of my host machine)
> >
> >However, something strange is happening here. I'm able to access other
> >physical machines on my network from my virtual machine using the
> >above-mentioned syntax.
> >
> >I've configured my VPC network setting to use my host's wireless card
> >(because there is no wired option where I work). My virtual machine is able
> >to access the internet just fine. It also can access any other physical
> >machine on my network. It just cannot access the host machine properly.
> >
> >There is another more important issue here. My most important problem is
> >that I'm unable to access an instance of SQL Server 2000 from my virtual
> >machine that resides on my host machine. Again, I am able to access SQL
> >Server instances that reside on other physical machines on my network -- but
> >I can't access the SQL Server instance that resides on my host machine. When
> >I open Query Analyzer from within my virtual machine, I have no problem
> >connecting to any SQL Server instance within my network. But when I try to
> >connect to SQL Server on my host machine I get this message:
> >
> >Unable to connect to server x. (where x is the name of my host)
> >
> >Server: Msg 17, Level 16, State 1
> >[Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
> >access denied.
> >
> >So there is definitely some type of networking and/or permissions issue that
> >I need to solve.
> >
> >If anyone can help, please let me know.
> >
>
> You have not said which operating system your host is running so I am
> guessing that it is XP-Pro SP2.
> If that is the case then it might well be that you have not opened the
> required ports in the Windows Firewall on the host.
>
>
> Bo Berglund
> bo.berglund(at)nospam.telia.com
>

Re: cannot access host from within virutal machine

Sent: 10/18/2006
From: Ashok Kumar
Message:

Good point. I should have checked this rather than assume it was so.

As it turns out, I can ping other physical machines from my host, but I
can't ping my host from other physical machines. I'm no networking guru, so
any tips would be appreciated. Could this have anything to do with the
Windows Firewall settings on my host? My host is running Windows XP Pro SP2.
I've not changed any of the defualt Windows Firewall settings on my host (to
my knowledge).

Thanks,

Ashok (Ash) Kumar

"Gary Mount" wrote:

Show quoted text

> You didn't mention if your other physical computers can access your host
> computer. Perhaps the host computer needs to be configured for network
> access.
>
> "Ashok Kumar" <(email address - cut out)> wrote in message
> news:(email address - cut out)...
> >I have a problem that seems similar to other postings I've read -- but not
> > quite. I'm not sure what I'm doing wrong. I'm unable to access my host
> > machine using the UNC path (not sure if this is the correct term).
> >
> > Example:
> >
> > In Windows Explorer I type the following in the address box:
> >
> > \\hostname\c$ (where hostname is the name of my host machine)
> >
> > However, something strange is happening here. I'm able to access other
> > physical machines on my network from my virtual machine using the
> > above-mentioned syntax.
> >
> > I've configured my VPC network setting to use my host's wireless card
> > (because there is no wired option where I work). My virtual machine is
> > able
> > to access the internet just fine. It also can access any other physical
> > machine on my network. It just cannot access the host machine properly.
> >
> > There is another more important issue here. My most important problem is
> > that I'm unable to access an instance of SQL Server 2000 from my virtual
> > machine that resides on my host machine. Again, I am able to access SQL
> > Server instances that reside on other physical machines on my network --
> > but
> > I can't access the SQL Server instance that resides on my host machine.
> > When
> > I open Query Analyzer from within my virtual machine, I have no problem
> > connecting to any SQL Server instance within my network. But when I try
> > to
> > connect to SQL Server on my host machine I get this message:
> >
> > Unable to connect to server x. (where x is the name of my host)
> >
> > Server: Msg 17, Level 16, State 1
> > [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
> > access denied.
> >
> > So there is definitely some type of networking and/or permissions issue
> > that
> > I need to solve.
> >
> > If anyone can help, please let me know.
> >
> > Thanks.
> >
> >
>
>
>

RE: cannot access host from within virutal machine

Sent: 10/18/2006
From: Ashok Kumar
Message:

Here's a follow-up to my orginal post. First, thanks Bo and Gary for your
responses. They got me on my way to solving this problem.

As it turns out, the Windows Firewall on my host (Windows XP Pro SP2) was
the problem. I've completely disabled Windows Firewall on my host, and now
both problems that I mentioned in the orginal post have been solved.

However, this is a short-term solution at the moment. I'd prefer not to
leave Windows Firewall completely disabled on my host. If anyone knows how
to configure Windows Firewall properly on the host, please let me know. I'm
assuming that I'd have to specify some port exceptions as well as checking or
unchecking some settings. Better yet, if there is a knowledge base article
for this, please send me the URL.

Thanks again.

Ash

"Ashok Kumar" wrote:

Show quoted text

> I have a problem that seems similar to other postings I've read -- but not
> quite. I'm not sure what I'm doing wrong. I'm unable to access my host
> machine using the UNC path (not sure if this is the correct term).
>
> Example:
>
> In Windows Explorer I type the following in the address box:
>
> \\hostname\c$ (where hostname is the name of my host machine)
>
> However, something strange is happening here. I'm able to access other
> physical machines on my network from my virtual machine using the
> above-mentioned syntax.
>
> I've configured my VPC network setting to use my host's wireless card
> (because there is no wired option where I work). My virtual machine is able
> to access the internet just fine. It also can access any other physical
> machine on my network. It just cannot access the host machine properly.
>
> There is another more important issue here. My most important problem is
> that I'm unable to access an instance of SQL Server 2000 from my virtual
> machine that resides on my host machine. Again, I am able to access SQL
> Server instances that reside on other physical machines on my network -- but
> I can't access the SQL Server instance that resides on my host machine. When
> I open Query Analyzer from within my virtual machine, I have no problem
> connecting to any SQL Server instance within my network. But when I try to
> connect to SQL Server on my host machine I get this message:
>
> Unable to connect to server x. (where x is the name of my host)
>
> Server: Msg 17, Level 16, State 1
> [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
> access denied.
>
> So there is definitely some type of networking and/or permissions issue that
> I need to solve.
>
> If anyone can help, please let me know.
>
> Thanks.
>
>

Re: cannot access host from within virutal machine

Sent: 10/18/2006
From: Bo Berglund <(email address - cut out)>
Message:

On Wed, 18 Oct 2006 12:08:03 -0700, Ashok Kumar
<(email address - cut out)> wrote:

- Control Panel/Windows Firewall
- Exceptions tab
- Check "File and Printer sharing"
- Click "Add Port"
- Enter "Name": SQL Server, "Port number": 1433 (make sure TCP is on)
- OK
- Advanced tab
- ICMP Settings button
- Check "Allow incoming echo requests"
- OK
- General tab
- Set firewall ON
- OK

Now your firewall will allow printer and file sharing, access to the
SQL Server and ping requests. Everything else will still be blocked.

HTH

Bo Berglund
bo.berglund(at)nospam.telia.com

Show quoted text

>Here's a follow-up to my orginal post. First, thanks Bo and Gary for your
>responses. They got me on my way to solving this problem.
>
>As it turns out, the Windows Firewall on my host (Windows XP Pro SP2) was
>the problem. I've completely disabled Windows Firewall on my host, and now
>both problems that I mentioned in the orginal post have been solved.
>
>However, this is a short-term solution at the moment. I'd prefer not to
>leave Windows Firewall completely disabled on my host. If anyone knows how
>to configure Windows Firewall properly on the host, please let me know. I'm
>assuming that I'd have to specify some port exceptions as well as checking or
>unchecking some settings. Better yet, if there is a knowledge base article
>for this, please send me the URL.
>

Re: cannot access host from within virutal machine

Sent: 10/20/2006
From: "Eric Denekamp" <(email address - cut out)>
Message:

sounds like the firewall on your host is preventing all access, try
disabling the firewall or opening specific ports on it and test again.

Ericd

"Ashok Kumar" <(email address - cut out)> wrote in message
news:(email address - cut out)...

Show quoted text

> Good point. I should have checked this rather than assume it was so.
>
> As it turns out, I can ping other physical machines from my host, but I
> can't ping my host from other physical machines. I'm no networking guru,
> so
> any tips would be appreciated. Could this have anything to do with the
> Windows Firewall settings on my host? My host is running Windows XP Pro
> SP2.
> I've not changed any of the defualt Windows Firewall settings on my host
> (to
> my knowledge).
>
> Thanks,
>
> Ashok (Ash) Kumar
>
> "Gary Mount" wrote:
>
>> You didn't mention if your other physical computers can access your host
>> computer. Perhaps the host computer needs to be configured for network
>> access.
>>
>> "Ashok Kumar" <(email address - cut out)> wrote in message
>> news:(email address - cut out)...
>> >I have a problem that seems similar to other postings I've read -- but
>> >not
>> > quite. I'm not sure what I'm doing wrong. I'm unable to access my
>> > host
>> > machine using the UNC path (not sure if this is the correct term).
>> >
>> > Example:
>> >
>> > In Windows Explorer I type the following in the address box:
>> >
>> > \\hostname\c$ (where hostname is the name of my host machine)
>> >
>> > However, something strange is happening here. I'm able to access other
>> > physical machines on my network from my virtual machine using the
>> > above-mentioned syntax.
>> >
>> > I've configured my VPC network setting to use my host's wireless card
>> > (because there is no wired option where I work). My virtual machine is
>> > able
>> > to access the internet just fine. It also can access any other
>> > physical
>> > machine on my network. It just cannot access the host machine
>> > properly.
>> >
>> > There is another more important issue here. My most important problem
>> > is
>> > that I'm unable to access an instance of SQL Server 2000 from my
>> > virtual
>> > machine that resides on my host machine. Again, I am able to access
>> > SQL
>> > Server instances that reside on other physical machines on my
>> > network --
>> > but
>> > I can't access the SQL Server instance that resides on my host machine.
>> > When
>> > I open Query Analyzer from within my virtual machine, I have no problem
>> > connecting to any SQL Server instance within my network. But when I
>> > try
>> > to
>> > connect to SQL Server on my host machine I get this message:
>> >
>> > Unable to connect to server x. (where x is the name of my host)
>> >
>> > Server: Msg 17, Level 16, State 1
>> > [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist
>> > or
>> > access denied.
>> >
>> > So there is definitely some type of networking and/or permissions issue
>> > that
>> > I need to solve.
>> >
>> > If anyone can help, please let me know.
>> >
>> > Thanks.
>> >
>> >
>>
>>
>>

Re: cannot access host from within virutal machine

Sent: 10/20/2006
From: "Eric Denekamp" <(email address - cut out)>
Message:

Note to self: Read the complete conversation before writing an answer that
is already there.

I humbly appologise for taking your time..

"Eric Denekamp" <(email address - cut out)> wrote in message
news:(email address - cut out)...

Show quoted text

> sounds like the firewall on your host is preventing all access, try
> disabling the firewall or opening specific ports on it and test again.
>
> Ericd
>
> "Ashok Kumar" <(email address - cut out)> wrote in message
> news:(email address - cut out)...
>> Good point. I should have checked this rather than assume it was so.
>>
>> As it turns out, I can ping other physical machines from my host, but I
>> can't ping my host from other physical machines. I'm no networking guru,
>> so
>> any tips would be appreciated. Could this have anything to do with the
>> Windows Firewall settings on my host? My host is running Windows XP Pro
>> SP2.
>> I've not changed any of the defualt Windows Firewall settings on my host
>> (to
>> my knowledge).
>>
>> Thanks,
>>
>> Ashok (Ash) Kumar
>>
>> "Gary Mount" wrote:
>>
>>> You didn't mention if your other physical computers can access your host
>>> computer. Perhaps the host computer needs to be configured for network
>>> access.
>>>
>>> "Ashok Kumar" <(email address - cut out)> wrote in message
>>> news:(email address - cut out)...
>>> >I have a problem that seems similar to other postings I've read -- but
>>> >not
>>> > quite. I'm not sure what I'm doing wrong. I'm unable to access my
>>> > host
>>> > machine using the UNC path (not sure if this is the correct term).
>>> >
>>> > Example:
>>> >
>>> > In Windows Explorer I type the following in the address box:
>>> >
>>> > \\hostname\c$ (where hostname is the name of my host machine)
>>> >
>>> > However, something strange is happening here. I'm able to access
>>> > other
>>> > physical machines on my network from my virtual machine using the
>>> > above-mentioned syntax.
>>> >
>>> > I've configured my VPC network setting to use my host's wireless card
>>> > (because there is no wired option where I work). My virtual machine
>>> > is
>>> > able
>>> > to access the internet just fine. It also can access any other
>>> > physical
>>> > machine on my network. It just cannot access the host machine
>>> > properly.
>>> >
>>> > There is another more important issue here. My most important problem
>>> > is
>>> > that I'm unable to access an instance of SQL Server 2000 from my
>>> > virtual
>>> > machine that resides on my host machine. Again, I am able to access
>>> > SQL
>>> > Server instances that reside on other physical machines on my
>>> > network --
>>> > but
>>> > I can't access the SQL Server instance that resides on my host
>>> > machine.
>>> > When
>>> > I open Query Analyzer from within my virtual machine, I have no
>>> > problem
>>> > connecting to any SQL Server instance within my network. But when I
>>> > try
>>> > to
>>> > connect to SQL Server on my host machine I get this message:
>>> >
>>> > Unable to connect to server x. (where x is the name of my host)
>>> >
>>> > Server: Msg 17, Level 16, State 1
>>> > [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist
>>> > or
>>> > access denied.
>>> >
>>> > So there is definitely some type of networking and/or permissions
>>> > issue
>>> > that
>>> > I need to solve.
>>> >
>>> > If anyone can help, please let me know.
>>> >
>>> > Thanks.
>>> >
>>> >
>>>
>>>
>>>
>

RE: cannot access host from within virutal machine

Sent: 10/20/2006
From: krishna
Message:

i guess you have not connected to the domain. Can you browse internet?

"Ashok Kumar" wrote:

Show quoted text

> I have a problem that seems similar to other postings I've read -- but not
> quite. I'm not sure what I'm doing wrong. I'm unable to access my host
> machine using the UNC path (not sure if this is the correct term).
>
> Example:
>
> In Windows Explorer I type the following in the address box:
>
> \\hostname\c$ (where hostname is the name of my host machine)
>
> However, something strange is happening here. I'm able to access other
> physical machines on my network from my virtual machine using the
> above-mentioned syntax.
>
> I've configured my VPC network setting to use my host's wireless card
> (because there is no wired option where I work). My virtual machine is able
> to access the internet just fine. It also can access any other physical
> machine on my network. It just cannot access the host machine properly.
>
> There is another more important issue here. My most important problem is
> that I'm unable to access an instance of SQL Server 2000 from my virtual
> machine that resides on my host machine. Again, I am able to access SQL
> Server instances that reside on other physical machines on my network -- but
> I can't access the SQL Server instance that resides on my host machine. When
> I open Query Analyzer from within my virtual machine, I have no problem
> connecting to any SQL Server instance within my network. But when I try to
> connect to SQL Server on my host machine I get this message:
>
> Unable to connect to server x. (where x is the name of my host)
>
> Server: Msg 17, Level 16, State 1
> [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or
> access denied.
>
> So there is definitely some type of networking and/or permissions issue that
> I need to solve.
>
> If anyone can help, please let me know.
>
> Thanks.
>
>

Post Reply | This is Spam! | Mark as Spam

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