August 2025 hotfix update 6.0.9319.881 for Skype for Business Server 2015, Enterprise Web App (KB5064904)

Applies To
Skype for Business Server 2015

This hotfix update is for Skype for Business Server 2015, Enterprise Web App. The version number of this update is 6.0.9319.881.

Feature introduced in this update

Improvements and fixes

The update fixes the issues that were previously described in the following Microsoft Knowledge Base articles:

How to install the update

To install this cumulative update for Skype for Business Server 2015, Enterprise Web App, follow the steps that are described in the following article in the Microsoft Knowledge Base:

3061064 Updates for Skype for Business Server 2015

Note The Cumulative Server Update Installer applies all updates for the appropriate server role in one operation.

Prerequisites

There are no prerequisites for installing this cumulative update.

Registry information

To use one of the cumulative updates in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this cumulative update.

Update replacement information

This cumulative update replaces the August 2021 cumulative update 6.0.9319.619 for Skype for Business Server 2015, Enterprise Web App (KB5005367).

Update package installation information

To apply this cumulative update, you must follow the steps that are described in Updates for Skype for Business Server 2015 on computers that are running the following server roles:

  • Skype for Business Server 2015 - Standard Edition server
  • Skype for Business Server 2015 - Enterprise Edition - Front End Server and Back End Server

Removal information

We recommend that you refer to the uninstallation instructions that are described in Updates for Skype for Business Server 2015 when you remove the cumulative update.

File information

The global version of this cumulative update uses a Microsoft Windows Installer package to install the cumulative update. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table.

File name File version File size Date Time Platform
File_ext_lwa_bin_controlres 6.0.9319.102 7,17,544 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ar_sa 6.0.9319.102 2,31,184 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_az_latn_az 6.0.9319.102 2,06,096 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_be_by 6.0.9319.102 2,49,616 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_bg_bg 6.0.9319.102 2,52,176 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ca_es 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_cs_cz 6.0.9319.102 2,02,512 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_da_dk 6.0.9319.102 1,97,904 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_de_de 6.0.9319.102 2,08,656 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_el_gr 6.0.9319.102 2,63,952 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_en_us 6.0.9319.102 1,93,808 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_es_es 6.0.9319.102 2,04,048 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_et_ee 6.0.9319.102 1,96,880 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_eu_es 6.0.9319.102 1,98,928 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_fa_ir 6.0.9319.102 2,38,864 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_fil_ph 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_fi_fi 6.0.9319.102 1,96,880 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_fr_fr 6.0.9319.102 2,10,192 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_gl_es 6.0.9319.102 2,02,000 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_he_il 6.0.9319.102 2,14,800 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_hi_in 6.0.9319.102 2,88,016 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_hr_hr 6.0.9319.102 2,00,464 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_hu_hu 6.0.9319.102 2,07,120 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_id_id 6.0.9319.102 1,96,880 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_it_it 6.0.9319.102 2,04,560 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ja_jp 6.0.9319.102 2,21,968 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_kk_kz 6.0.9319.102 2,43,984 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ko_kr 6.0.9319.102 2,09,168 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_lt_lt 6.0.9319.102 2,02,512 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_lv_lv 6.0.9319.102 2,03,024 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_mk_mk 6.0.9319.102 2,50,640 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ms_my 6.0.9319.102 1,99,952 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_nb_no 6.0.9319.102 1,96,368 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_nl_nl 6.0.9319.102 2,03,024 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_pl_pl 6.0.9319.102 2,05,584 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_pt_br 6.0.9319.102 2,03,024 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_pt_pt 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ro_ro 6.0.9319.102 2,05,072 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_ru_ru 6.0.9319.102 2,51,152 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_sk_sk 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_sl_si 6.0.9319.102 2,00,976 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_sq_al 6.0.9319.102 2,04,048 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_sr_cyrl_rs 6.0.9319.102 2,43,984 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_sr_latn_rs 6.0.9319.102 1,99,952 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_sv_se 6.0.9319.102 1,99,952 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_th_th 6.0.9319.102 2,81,872 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_tr_tr 6.0.9319.102 2,00,976 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_uk_ua 6.0.9319.102 2,52,176 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_uz_latn_uz 6.0.9319.102 2,04,560 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_vi_vn 6.0.9319.102 2,21,456 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_zh_cn 6.0.9319.102 1,90,224 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_controlres_zh_tw 6.0.9319.102 1,90,736 28-Oct-15 14:13 Not applicable
File_ext_lwa_bin_preauth 6.0.9319.869 2,70,272 04-Oct-23 20:39 Not applicable
File_ext_lwa_images_nonhc_sprite1 Not applicable 2,86,357 28-Oct-15 12:53 Not applicable
File_ext_lwa_images_skypelogo Not applicable 3,247 10-Mar-15 23:28 Not applicable
File_ext_lwa_images_sprite1 Not applicable 2,86,357 28-Oct-15 12:53 Not applicable
File_ext_lwa_plugins_mac Not applicable 99,86,943 23-Oct-15 04:47 Not applicable
File_ext_lwa_plugins_vista Not applicable 61,93,152 23-Oct-15 04:47 Not applicable
File_ext_lwa_plugins_win Not applicable 87,73,632 23-Oct-15 04:47 Not applicable
File_ext_lwa_scripts_common_consolidated Not applicable 8,78,500 21-Jul-19 04:54 Not applicable
File_ext_lwa_scripts_lyncplatform_consolidated Not applicable 24,32,084 21-Jul-19 04:59 Not applicable
File_ext_lwa_scripts_lyncplugin_consolidated Not applicable 77,692 28-Oct-15 12:43 Not applicable
File_ext_lwa_scripts_preauth_consolidated Not applicable 3,58,997 19-Jun-18 05:47 Not applicable
File_ext_lwa_scripts_ui_applibconsolidated Not applicable 14,35,646 31-Mar-17 19:31 Not applicable
File_ext_lwa_scripts_ui_avconsolidated Not applicable 11,01,439 29-Oct-18 07:05 Not applicable
File_ext_lwa_scripts_ui_commoncontrolconsolidated Not applicable 13,43,217 28-Oct-15 12:49 Not applicable
File_ext_lwa_scripts_ui_controlconsolidated Not applicable 23,30,456 28-Oct-15 12:52 Not applicable
File_ext_lwa_scripts_ui_miscclientconsolidated Not applicable 6,13,053 25-Jul-21 19:11 Not applicable
File_ext_lwa_styles_consolidated_ltr Not applicable 1,67,888 29-Oct-18 07:06 Not applicable
File_ext_lwa_styles_consolidated_rtl Not applicable 1,67,962 29-Oct-18 07:06 Not applicable
File_ext_lwa_styles_nonhc_sprite1 Not applicable 1,36,354 28-Oct-15 12:53 Not applicable
File_ext_lwa_styles_sprite1 Not applicable 1,87,676 28-Oct-15 12:53 Not applicable
File_ext_lwa_webpages_lwaclient Not applicable 23,161 04-Oct-23 18:11 Not applicable
File_ext_lwa_webpages_qnacontainerframe Not applicable 9,965 27-Oct-18 03:15 Not applicable
File_ext_lwa_webpages_toast Not applicable 4,702 19-Jun-18 05:17 Not applicable
File_ext_lwa_web_config Not applicable 4,324 31-Mar-17 18:56 Not applicable
File_int_lwa_bin_controlres 6.0.9319.102 7,17,544 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ar_sa 6.0.9319.102 2,31,184 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_az_latn_az 6.0.9319.102 2,06,096 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_be_by 6.0.9319.102 2,49,616 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_bg_bg 6.0.9319.102 2,52,176 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ca_es 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_cs_cz 6.0.9319.102 2,02,512 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_da_dk 6.0.9319.102 1,97,904 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_de_de 6.0.9319.102 2,08,656 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_el_gr 6.0.9319.102 2,63,952 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_en_us 6.0.9319.102 1,93,808 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_es_es 6.0.9319.102 2,04,048 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_et_ee 6.0.9319.102 1,96,880 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_eu_es 6.0.9319.102 1,98,928 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_fa_ir 6.0.9319.102 2,38,864 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_fil_ph 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_fi_fi 6.0.9319.102 1,96,880 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_fr_fr 6.0.9319.102 2,10,192 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_gl_es 6.0.9319.102 2,02,000 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_he_il 6.0.9319.102 2,14,800 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_hi_in 6.0.9319.102 2,88,016 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_hr_hr 6.0.9319.102 2,00,464 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_hu_hu 6.0.9319.102 2,07,120 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_id_id 6.0.9319.102 1,96,880 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_it_it 6.0.9319.102 2,04,560 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ja_jp 6.0.9319.102 2,21,968 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_kk_kz 6.0.9319.102 2,43,984 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ko_kr 6.0.9319.102 2,09,168 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_lt_lt 6.0.9319.102 2,02,512 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_lv_lv 6.0.9319.102 2,03,024 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_mk_mk 6.0.9319.102 2,50,640 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ms_my 6.0.9319.102 1,99,952 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_nb_no 6.0.9319.102 1,96,368 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_nl_nl 6.0.9319.102 2,03,024 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_pl_pl 6.0.9319.102 2,05,584 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_pt_br 6.0.9319.102 2,03,024 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_pt_pt 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ro_ro 6.0.9319.102 2,05,072 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_ru_ru 6.0.9319.102 2,51,152 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_sk_sk 6.0.9319.102 2,03,536 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_sl_si 6.0.9319.102 2,00,976 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_sq_al 6.0.9319.102 2,04,048 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_sr_cyrl_rs 6.0.9319.102 2,43,984 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_sr_latn_rs 6.0.9319.102 1,99,952 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_sv_se 6.0.9319.102 1,99,952 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_th_th 6.0.9319.102 2,81,872 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_tr_tr 6.0.9319.102 2,00,976 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_uk_ua 6.0.9319.102 2,52,176 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_uz_latn_uz 6.0.9319.102 2,04,560 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_vi_vn 6.0.9319.102 2,21,456 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_zh_cn 6.0.9319.102 1,90,224 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_controlres_zh_tw 6.0.9319.102 1,90,736 28-Oct-15 14:13 Not applicable
File_int_lwa_bin_preauth 6.0.9319.869 2,70,272 04-Oct-23 20:39 Not applicable
File_int_lwa_images_nonhc_sprite1 Not applicable 2,86,357 28-Oct-15 12:53 Not applicable
File_int_lwa_images_skypelogo Not applicable 3,247 10-Mar-15 23:28 Not applicable
File_int_lwa_images_sprite1 Not applicable 2,86,357 28-Oct-15 12:53 Not applicable
File_int_lwa_plugins_mac Not applicable 99,86,943 23-Oct-15 04:47 Not applicable
File_int_lwa_plugins_vista Not applicable 61,93,152 23-Oct-15 04:47 Not applicable
File_int_lwa_plugins_win Not applicable 87,73,632 23-Oct-15 04:47 Not applicable
File_int_lwa_scripts_common_consolidated Not applicable 8,78,500 21-Jul-19 04:54 Not applicable
File_int_lwa_scripts_lyncplatform_consolidated Not applicable 24,32,084 21-Jul-19 04:59 Not applicable
File_int_lwa_scripts_lyncplugin_consolidated Not applicable 77,692 28-Oct-15 12:43 Not applicable
File_int_lwa_scripts_preauth_consolidated Not applicable 3,58,997 19-Jun-18 05:47 Not applicable
File_int_lwa_scripts_ui_applibconsolidated Not applicable 14,35,646 31-Mar-17 19:31 Not applicable
File_int_lwa_scripts_ui_avconsolidated Not applicable 11,01,439 29-Oct-18 07:05 Not applicable
File_int_lwa_scripts_ui_commoncontrolconsolidated Not applicable 13,43,217 28-Oct-15 12:49 Not applicable
File_int_lwa_scripts_ui_controlconsolidated Not applicable 23,30,456 28-Oct-15 12:52 Not applicable
File_int_lwa_scripts_ui_miscclientconsolidated Not applicable 6,13,053 25-Jul-21 19:11 Not applicable
File_int_lwa_styles_consolidated_ltr Not applicable 1,67,888 29-Oct-18 07:06 Not applicable
File_int_lwa_styles_consolidated_rtl Not applicable 1,67,962 29-Oct-18 07:06 Not applicable
File_int_lwa_styles_nonhc_sprite1 Not applicable 1,36,354 28-Oct-15 12:53 Not applicable
File_int_lwa_styles_sprite1 Not applicable 1,87,676 28-Oct-15 12:53 Not applicable
File_int_lwa_webpages_lwaclient Not applicable 23,161 04-Oct-23 18:11 Not applicable
File_int_lwa_webpages_qnacontainerframe Not applicable 9,965 27-Oct-18 03:15 Not applicable
File_int_lwa_webpages_toast Not applicable 4,702 19-Jun-18 05:17 Not applicable
File_int_lwa_web_config Not applicable 2,281 31-Mar-17 18:56 Not applicable

References

Learn about the standard terminology that Microsoft uses to describe software updates.

Get the latest cumulative update for Skype for Business Server 2015.