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All network printers slow, no errors

Posted on 2008-10-08
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There are about 35 networked printers of various types attached to an IBM 346 print server, running windows server 2003 .  All was going well, but printing is suddenly becoming very slow, to the point users are complaining.  There are no obvious errors in event viewer, nothing has changed other than the spooler being move to another location. Moving it back to the original location does not make any impact on this issue.  
Anyone have any suggestions?
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Question by:eajackieb
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by:giltjr
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Do you mean an IBM x346  that is running as a Windows print server?

The first thing I would look at is to see if there is a duplex mismatch between the NIC and the switch the server is connected to.
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by:eajackieb
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Do you mean an IBM x346  that is running as a Windows print server?
Why yes , I do mean that.  It's also not a mismatch to between the nic and the switch the server is connected to.
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giltjr earned 500 total points
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First, if you have not, I would suggest that you do/look at:

1) Have the users define slow.  Is it taking 30 seconds for their document to get to the printer after they say "print" or is it taking 5 minutes?

2) Is it all print to all printers, or just some print to all printers, or all print to just some printers?  Print that has a lot of pages will not only take longer to spool and print, but will hold up other jobs going to the same printer and could impact all print going to that print servers.  Also print that is heavy in graphics will do the same thing.

3) How many printers are on this server?  Has the number of printers grown since it was moved.

4) Try and monitor the server or CPU and NIC utilization.

5) Try and monitor the server for the number of jobs printed and number of jobs queued for each printer.

6) Look at the network path between the users/printers and were the print server was and the users/printer and where it is now.  What is different?  Could it be that in the old location it was on a switch that had 1000 Mbps uplink and now it is on a switch that only has a  100 Mbps uplink?  Could it be it was on a switch that had a few number of devices and low network utilization and now it is on a switch that has a lot of other devices and a high network utilization?
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