Presentation Server Licenses May Be Prematurely Depleted When Using the Citrix Options File (citrix.

RoyATokeshi
June 21, 2006 11:08 am

Citrix states in their article: CTX108402

Document ID: CTX108402, Created on: Dec 14, 2005, Updated: May 17, 2006

Products: Citrix MetaFrame Presentation Server 3.0 for Microsoft Windows 2000, Citrix MetaFrame Presentation Server 3.0 for Microsoft Windows 2003, Citrix Presentation Server 4.0 for Microsoft Windows 2000, Citrix Presentation Server 4.0 for Microsoft Windows 2003, Citrix Access Suite License Server 4.0, Citrix MetaFrame Access Suite License Server 1.0.0

Symptoms

If you use the Citrix options file (citrix.opt) to reserve Presentation Server licenses for specific host groups and if the host groups have different Presentation Server versions (for example, some 3.0 and 4.0 servers), connection licenses can deplete prematurely and users may be denied a connection to the Presentation Server. Also, this issue occurs only when you have licenses with different SA expiration dates. The following example shows license lines with two different SA expiration dates: 2004.0501 and 2006.0701.

INCREMENT MPS_ENT_CCU CITRIX 2004.0501 permanent 35
INCREMENT MPS_ENT_CCU CITRIX 2006.0701 permanent 120

Cause

Consider the following license reservation:

RESERVE 35 MPS_ENT_CCU HOST_GROUP CPS_3_Group
RESERVE 120 MPS_ENT_CCU HOST_GROUP CPS_4_Group

The host groups have been split into 3.0 and 4.0 Presentation Server groups and you want to reserve the 35 licenses to your 3.0 group and 120 licenses to your 4.0 group (the reason being that the 35 licenses are not good for your 4.0 servers as their SA has not been renewed and you want to isolate them to the 3.0 group for which they are good). But the license server can reserve the 35 licenses from the 2006.0701 pool which will mean that your 3.0 servers will eat up the 2006.0701 pool and the 35 licenses in the 2004.0501 cannot be used by 4.0 servers. This can result in connection rejects to 4.0 servers.

Resolution

Edit the reservations to specify the license along with its SA expiration date that each reservation should use:

RESERVE 35 MPS_ENT_CCU:VERSION=2004.0501 HOST_GROUP CPS_3_Group
RESERVE 120 MPS_ENT_CCU:VERSION=2006.0701 HOST_GROUP CPS_4_Group

This reservation will force the license server to reserve 35 licenses from the 2004.0501 pool to version 3.0 host group and 120 licenses from the 2006.0701 pool to version 4.0 host group.

Summary

If you use license reservations and have a mix of Presentation Server versions with different license SA expiration dates, use the SA expiration date in your RESERVE lines.



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