Microsoft KB Archive/228920

= Citrix ICA Connected Client File Access on a Client-Mapped Drive is Slow the First Time =

Article ID: 228920

Article Last Modified on 2/27/2007

-

APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition Service Pack 4

-



This article was previously published under Q228920



SYMPTOMS
When a Citrix ICA-connected client gains access to a file on a client-mapped drive for the first time, the access time may be very slow. Subsequent usage of that client-mapped drive behaves as expected.



CAUSE
This problem occurs because the Citrix ICA client-mapped drive is not listed in MupPrefixTable when the connection to the file is made. Therefore, Mup.sys tries to reconcile this by searching for the specified server first through the Pkt table, and then through the network devices. This process can be slow in some configurations.



RESOLUTION
To resolve this problem, obtain the latest service pack for Microsoft Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to obtain the latest Windows NT 4.0 service pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Microsoft Windows NT 4.0, Terminal Server Edition Service Pack 5.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB228920

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.