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921
Replies
28
Status
Closed
Problem:
-Users are experiencing a long delay, ranging from 5 seconds to 30+ seconds when opening an image using Adobe Photoshop 7.0 from the local hard drive.
Initial Analysis:
-The long delay is only experienced when the image file resides on the local hard drive (C:\). -If the image file resides on any other storage device (network drive, cd-rom, usb drive, floppy), it opens normally, almost instantly.
-Opening the image file while having local admin permissions, opens the file normally, even if it resides on the local hard drive.
-Unplugging the network cable, opens the file normally, even if it resides on the local hard drive.
Troubleshooting/Observations:
-There seems to be heavy network activity during the time Photoshop is opening the image file. Photoshop will not completely open the file until the network activity is finished. Several observations show that from the time the image file is double clicked from Windows Explorer, Photoshop opens, heavy network activity begins, approximately 5000+ packets are received/sent through the NIC, network activity stops, Photoshop opens the image successfully. This process can take anywhere between 5 to 30+ seconds.
-A local user account (non-admin) does not see latency when opening files (not bound to a domain controller)
-A domain user account without local admin rights experiences the latency. -Size of the image file is not relevant to how long the latency will last. File sizes that were used include, 38MB .tif | 24KB .jpg | 2.4MB .bmp
-Unplugging the network cable resolves the latency because no network activity can occur. -Unknown why having local admin rights eliminates the network activity, thus eliminating the latency in opening image files in Photoshop 7.0.
-Disabling NetBIOS over TCP/IP also resolves the issue, but mapped drives and network printers need to have this service enabled. Not a solution.
-After viewing a network port analyzer results, the network traffic is going directly to the domain controller via port 445.
Question for Adobe:
-Why does PS7.0 need to contact the domain controller only when the image file is opened from the local hard drive. Opening image files from a network drive does not cause this network activity. What is it authenticating before it opens the image file? It does this every time an image is opened from the C:\ drive.
Seems like this problem only hinders domain users. Oh and I have cleared the pref settings, which didn’t help at all.
Regards,
Kevin
-Users are experiencing a long delay, ranging from 5 seconds to 30+ seconds when opening an image using Adobe Photoshop 7.0 from the local hard drive.
Initial Analysis:
-The long delay is only experienced when the image file resides on the local hard drive (C:\). -If the image file resides on any other storage device (network drive, cd-rom, usb drive, floppy), it opens normally, almost instantly.
-Opening the image file while having local admin permissions, opens the file normally, even if it resides on the local hard drive.
-Unplugging the network cable, opens the file normally, even if it resides on the local hard drive.
Troubleshooting/Observations:
-There seems to be heavy network activity during the time Photoshop is opening the image file. Photoshop will not completely open the file until the network activity is finished. Several observations show that from the time the image file is double clicked from Windows Explorer, Photoshop opens, heavy network activity begins, approximately 5000+ packets are received/sent through the NIC, network activity stops, Photoshop opens the image successfully. This process can take anywhere between 5 to 30+ seconds.
-A local user account (non-admin) does not see latency when opening files (not bound to a domain controller)
-A domain user account without local admin rights experiences the latency. -Size of the image file is not relevant to how long the latency will last. File sizes that were used include, 38MB .tif | 24KB .jpg | 2.4MB .bmp
-Unplugging the network cable resolves the latency because no network activity can occur. -Unknown why having local admin rights eliminates the network activity, thus eliminating the latency in opening image files in Photoshop 7.0.
-Disabling NetBIOS over TCP/IP also resolves the issue, but mapped drives and network printers need to have this service enabled. Not a solution.
-After viewing a network port analyzer results, the network traffic is going directly to the domain controller via port 445.
Question for Adobe:
-Why does PS7.0 need to contact the domain controller only when the image file is opened from the local hard drive. Opening image files from a network drive does not cause this network activity. What is it authenticating before it opens the image file? It does this every time an image is opened from the C:\ drive.
Seems like this problem only hinders domain users. Oh and I have cleared the pref settings, which didn’t help at all.
Regards,
Kevin
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