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Problem with Exchange Server 5.5

By j.hagman ·
I have a Microsoft Back Office Server v4.5 with Exchange Server v5.5 installed.
For months there weren't any problems.
Just a few days ago, users couldn't access the mail server.
Outlook 2000 reported a time out on the server.
Also some mailboxes on the server where changed (the mailbox name and the site name)
If i install outlook 2000 on the server itself, i can reach most of the mailboxes, but from workstations in the network it is impossible.
People can browse to the server, log on to it, and access shares.
It is a major problem at the compagny.
I need some help with this....

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Problem with Exchange Server 5.5

by Steve Cody In reply to Problem with Exchange Ser ...

You should check the Event Viewer and look at the Application Log. This may give you a clue to any Exchange Errors. Also, look at the System Log and see if there are any WINS errors. Make sure your WINS service is still running.

Test a workstation by putting the IP Address of the server in its email configuration for the Exchange Server Service. If this lets the user in, then the problem is WINS.

I don't know what would cause the names to change.

- Steve

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Problem with Exchange Server 5.5

by j.hagman In reply to Problem with Exchange Ser ...

The question was auto-closed by TechRepublic

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Problem with Exchange Server 5.5

by douglas168 In reply to Problem with Exchange Ser ...

How are the wks accessing the mail server? via IP or hostname. If you can access via IP address and not hostname, then you have a networking problem. Check DNS, WINS, and DHCP.

always check event log and enter error code in technet to troubleshoot!

Hope this helps!

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Problem with Exchange Server 5.5

by j.hagman In reply to Problem with Exchange Ser ...

The question was auto-closed by TechRepublic

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Problem with Exchange Server 5.5

by Aaron_Wurthmann In reply to Problem with Exchange Ser ...

All of the above answers are the correct way to trouble shoot this one. But let me add one to your plate.
First check to make sure all of your basic network protocols are functioning properly.

WINS - Are you even running a WINS server? Is your WINS server's IP address right on the server as well as on the clients.
Do you have WINS servers on all your subnets?

Are the static mappings for the Exchange Server correct?!

DHCP - If you are running DHCP are the static mappings for the WINSand DCs correct?

IP - On the Exchange Server are you able to do some ping tests? (to itself to other workstation)

Okay last but not least back to WINS, because I have actually had similar problems with this before. If, and I say if, all else doesn't not prevail. **** away the WINS database on ALL WINS servers and let them re-registry people as they come in. Sometime you just need to do that.

Any further questions.. send me an e-mail.

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Problem with Exchange Server 5.5

by j.hagman In reply to Problem with Exchange Ser ...

The question was auto-closed by TechRepublic

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Problem with Exchange Server 5.5

by Aaron_Wurthmann In reply to Problem with Exchange Ser ...

All of the above answers are the correct way to trouble shoot this one. But let me add one to your plate.
First check to make sure all of your basic network protocols are functioning properly.

WINS - Are you even running a WINS server? Is your WINS server's IP address right on the server as well as on the clients.
Do you have WINS servers on all your subnets?

Are the static mappings for the Exchange Server correct?!

DHCP - If you are running DHCP are the static mappings for the WINSand DCs correct?

IP - On the Exchange Server are you able to do some ping tests? (to itself to other workstation)

Okay last but not least back to WINS, because I have actually had similar problems with this before. If, and I say if, all else doesn't not prevail. **** away the WINS database on ALL WINS servers and let them re-registry people as they come in. Sometime you just need to do that.

Any further questions.. send me an e-mail.

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Problem with Exchange Server 5.5

by j.hagman In reply to Problem with Exchange Ser ...

The question was auto-closed by TechRepublic

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Problem with Exchange Server 5.5

by calves In reply to Problem with Exchange Ser ...

Hi J.,
I have a couple of opinions about this.
First one, I think you need to re-apply both SPs (Exchange and NT).
Second, Outlook has a funny way of searching for Exchange. By default, it uses DNS as a primary way and Netbios as the last option. So, if you use WINs but not DNS. It may be taken too long for your clients to get an address from WINs (you can increase the timeout on the clients computers, try it on one).
Do you have control over your master browser?
That could affect your whole network.
Also, If you can, install a local DNS server with the exchange address. I promise you, you'll see a big difference.
Good Luck!

P.S. I sent you a page on Exchange!

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Problem with Exchange Server 5.5

by j.hagman In reply to Problem with Exchange Ser ...

The question was auto-closed by TechRepublic

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